The back windshield wiper, often neglected, plays a crucial role in ensuring optimal visibility during inclement weather. While most vehicles come equipped with this essential feature, many drivers overlook its importance or use it incorrectly. Understanding how to effectively utilize the back windshield wiper can significantly enhance your driving experience and safety on the road.
First and foremost, it’s essential to ensure the back windshield wiper blade is in good condition. A worn or damaged blade will not effectively remove water, dirt, or snow from the glass, impairing your rear visibility. Regularly inspect the blade for signs of wear, such as tears, cracks, or uneven edges, and replace it promptly if necessary. Proper blade maintenance not only improves visibility but also prevents scratching or damage to the windshield itself.
Additionally, using the back windshield wiper in conjunction with other visibility-enhancing features can further improve your safety. For instance, activating the rear defroster can help melt ice or fog on the windshield, making it easier for the wiper to remove any remaining moisture or debris. Furthermore, adjusting your side mirrors to minimize blind spots and using your headlights and taillights appropriately can enhance your overall visibility and make you more noticeable to other drivers. By combining these techniques, you can create a comprehensive approach to ensuring optimal rear visibility in any driving conditions.
Understanding the Importance of Back Windshield Wipers
Back windshield wipers play a crucial role in maintaining clear visibility while driving, especially in wet, snowy, or dusty conditions. They ensure that the rear window remains free from debris and moisture, allowing you to effectively monitor the rear traffic situation and avoid potential accidents.
Unlike front windshield wipers, which operate continuously during heavy rainfall, back windshield wipers are typically activated manually. This allows drivers to control their usage based on the specific weather conditions and visibility needs. Additionally, back windshield wipers feature a smaller blade size and a slower wiping speed compared to front wipers, which helps optimize their performance for rear-window visibility.
The following table summarizes the key benefits of using back windshield wipers:
| Benefit |
|---|
| Improved rear visibility in wet, snowy, or dusty conditions |
| Reduced risk of accidents due to obstructed rear views |
| Enhanced safety for both the driver and passengers |
| Increased overall driving comfort and convenience |
Activating the Back Windshield Wiper Switch
Activating the back windshield wiper switch is a straightforward process that can be completed in a few simple steps.
1. Locate the Back Windshield Wiper Switch
The back windshield wiper switch is typically located on the right-hand side of the steering column, near the headlights and turn signal switches. It will usually be a small, black lever with a symbol of a windshield with a wiper blade on it.
2. Rotate the Switch to the Desired Setting
Once you have located the back windshield wiper switch, rotate it to the desired setting. The switch will typically have several settings, including:
| Setting | Description |
|---|---|
| Off | The wiper blade will not move. |
| Intermittent | The wiper blade will move intermittently, based on the setting you choose. |
| Low | The wiper blade will move at a low speed. |
| High | The wiper blade will move at a high speed. |
Adjusting the Wiper Speed and Intermittency
The wiper speed and intermittency can be adjusted to suit your preferences and the severity of the weather conditions.
To adjust the wiper speed, rotate the knob or switch on the dashboard. Most vehicles offer a range of speeds, from low to high. Select the speed that provides the best visibility without being overly distracting.
To adjust the intermittency, use the knob or switch next to the speed control. This setting determines how often the wipers cycle on and off. You can choose from continuous sweeping, intermittent sweeping with varying intervals, or a single wipe. The intermittent setting can be useful in light rain or drizzle, as it helps to keep the windshield clear without using the wipers constantly.
| Wiper Speed Setting | Description |
|---|---|
| Low | Intermittent wiping at a slow speed |
| Medium | Continuous wiping at a moderate speed |
| High | Continuous wiping at a high speed |
| Intermittent | Wipers cycle on and off at varying intervals |
| Single Wipe | Wipers make a single wiping motion |
Remember to adjust the wiper speed and intermittency as needed to maintain optimal visibility while driving in inclement weather.
Using Washer Fluid to Enhance Visibility
Using washer fluid is a crucial step in maintaining clear visibility through your rear windshield. Here’s how to use it effectively:
Step 1: Check Washer Fluid Level
Locate the washer fluid reservoir under the hood and ensure it’s filled to the indicated level. If it’s low, top it up with washer fluid specifically designed for your vehicle.
Step 2: Engage Washer Fluid
Locate the windshield washer stalk on the steering column. Typically, pushing it towards you will activate the front windshield wipers and washer fluid, while pulling it will activate the rear windshield wipers and washer fluid.
Step 3: Apply Washer Fluid
Hold the stalk in the activated position until you see washer fluid spraying onto the rear windshield. Continue spraying until the dirt and debris have been removed, obscuring your view.
Step 4: Activate Rear Wipers
Once the washer fluid has been applied, engage the rear windshield wipers by moving the wiper stalk to the appropriate position. The wipers will wipe away the washer fluid along with the loosened dirt and debris, leaving your rear windshield clear and free of obstructions.
| Action | Result |
|---|---|
| Check Washer Fluid Level | Ensures adequate fluid for cleaning |
| Engage Washer Fluid | Sprays fluid onto rear windshield |
| Apply Washer Fluid | Removes dirt and debris |
| Activate Rear Wipers | Wipes away loosened debris |
When to Use Rear Windshield Wipers
It’s crucial to use your rear windshield wipers when visibility is impaired due to rain, snow, or debris. They help keep your view clear, ensuring safe driving conditions.
Troubleshooting Common Back Windshield Wiper Issues
1. Wipers Not Working
Check if the windshield wiper motor is receiving power. Inspect the wiring and electrical connections for any damage or loose connections. Also, ensure the wiper switch is functioning correctly.
2. Wipers Not Moving Smoothly
Worn or damaged wiper blades can cause stuttering or skipping motions. Replace the blades and check the wiper arms for corrosion or misalignment.
3. Wipers Not Clearing Water Effectively
Clean the windshield and wiper blades with a suitable cleaner to remove dirt and debris. Use high-quality wiper fluid to improve visibility.
4. Wipers Making Noise
Noise during operation can indicate worn or torn wiper blades. Replace the blades and lubricate the wiper arms to reduce friction.
5. Delay or Intermittent Wipe Function Not Working
The delay or intermittent wipe function typically relies on a timer or control module. Check the wiring, relay, and control module for any issues. Examine the wiper switch’s contacts for proper connection and functionality.
| Issue | Possible Cause | Solution |
|---|---|---|
| No power to wipers | – Blown fuse – Faulty wiring – Damaged wiper motor |
– Check fuses – Inspect wiring – Replace wiper motor |
| Wipers stuck | – Frozen wiper blades – Seized wiper motor – Obstruction in wiper path |
– Warm up wipers – Lubricate wiper motor – Clear obstructions |
| Wipers leaving streaks | – Dirty or damaged wiper blades – Poor quality wiper fluid – Dirty windshield |
– Replace wiper blades – Use good quality wiper fluid – Clean windshield |
Replacing Worn-Out Back Windshield Wiper Blades
1. Determine the correct size and type of wiper blade.
Consult your vehicle’s owner’s manual or use an online wiper blade size finder. Different vehicles require different blade sizes and types, such as beam-style or conventional blades.
2. Gather the necessary tools.
You will need a pair of pliers and a clean cloth.
3. Lift the wiper arm and remove the old blade.
Pinch the release tab on the wiper arm, lift it away from the windshield, and gently pull the old blade off.
4. Clean the wiper arm with a cloth.
Wipe away any dirt or debris that may have accumulated on the wiper arm.
5. Install the new wiper blade.
Slide the new blade onto the wiper arm and push it firmly until it snaps into place. Ensure it is securely attached.
6. Lower the wiper arm back onto the windshield and test the wipers.
Gently lower the wiper arm back onto the windshield and turn on the wipers. Check for any streaks, chattering, or skipping. If necessary, adjust the blade’s position or tension to optimize performance.
| Wiper Blade Type | Advantages | Disadvantages |
|---|---|---|
| Beam-style | – Sleek design – Improved visibility – Less wind noise | – Can be more expensive |
| Conventional | – Affordable – Easy to install | – Can be noisy – Prone to ice buildup |
Optimizing Back Windshield Wiper Performance in Different Weather Conditions
Moderate Rain:
In light to moderate rain, set the wiper speed to an intermittent setting, ensuring it swipes every few seconds to clear water droplets. Adjust the speed as needed to match the intensity of the rainfall.
Heavy Rain and Wind:
When faced with heavy rain and strong winds, increase the wiper speed to a continuous setting to prevent water from accumulating and obstructing your rear visibility. Use the defroster or rear window defogger to prevent fogging and ensure clear visibility.
Snow and Ice:
Before operating your back windshield wipers in snowy or icy conditions, clear any ice or snow buildup from the wiper blades and the windshield itself. As the wipers clear the snow, check for ice formation on the blades and remove it promptly to maintain optimal performance.
Mud and Dirt:
When driving in muddy or dirty conditions, set the wiper speed to an intermittent setting and use the washer fluid to dislodge and clear dirt buildup. Avoid continuous operation as it can lead to excessive wear on the wiper blades and motor.
Morning Dew or Fog:
To clear morning dew or fog, set the wipers to an intermittent setting or use the rear window defroster to quickly remove moisture from your rear windshield, ensuring clear visibility.
Insects and Bugs:
When driving through areas with a high concentration of insects or bugs, use the wiper spray to dislodge and remove them from the windshield. Increase the wiper speed as necessary to prevent the accumulation of insect residue on your rear window.
Salt and Corrosion:
During winter months, salt and other corrosive substances can accumulate on your back windshield and wiper blades. To prevent damage, use a mild detergent or a dedicated windshield washer fluid to remove these substances and maintain wiper performance. Regular cleaning will prolong the lifespan of your back windshield wipers.
| Weather Condition | Wiper Setting | Additional Measures |
|---|---|---|
| Moderate Rain | Intermittent | None |
| Heavy Rain and Wind | Continuous | Defroster or rear window defogger |
| Snow and Ice | Intermittent | Clear ice and snow from blades and windshield |
| Mud and Dirt | Intermittent | Use washer fluid |
| Morning Dew or Fog | Intermittent or defroster | None |
| Insects and Bugs | Continuous | Use wiper spray |
| Salt and Corrosion | Regular cleaning | Use mild detergent or dedicated windshield washer fluid |
Maintaining Back Windshield Wiper Health for Long-Term Use
1. Hidden Devastation: Inspecting Underneath the Wiper Blade
The hidden underside of the wiper blade often harbors debris, such as leaves, twigs, and road grime. Regular inspection and cleaning are crucial to prevent damage to the blade and ensure optimal performance.
2. Arm and Pivot Joint: Unclogging for Smooth Movement
The arm and pivot joint allow the wiper to move fluidly. Debris accumulation can hinder this movement, reducing wiper efficiency. Use a damp cloth to clean the joints, removing any dirt or debris.
3. Resolving a Stiff Wiper: Lubricating the Pivot Points
A stiff wiper can be caused by dry pivot points. Applying a small amount of lubricant, such as silicone spray or WD-40, to these points can restore smooth movement and extend wiper life.
4. Tightening the Arm: Ensuring a Secure Connection to the Windshield
A loose wiper arm can cause the blade to skip or chatter. Check for any loose bolts or nuts and tighten them as necessary to ensure a firm connection between the arm and the windshield.
5. Checking Wiper Blade Tension: Adjusting for Effective Cleaning
Wiper blade tension is crucial for effective cleaning. If the tension is too loose, the blade may not make proper contact with the windshield. Adjust the tension by bending the metal arm that holds the blade. Proper tension ensures thorough debris removal.
6. Cleaning the Wiper Blade: Restoring Clarity
Dirt and contaminants can accumulate on the wiper blade, reducing its cleaning ability. Use a damp cloth with a gentle detergent to clean the blade, removing any debris that may impair its performance.
7. Replacing Worn Wiper Blades: Ensuring Optimal Visibility
Despite proper maintenance, wiper blades inevitably wear out over time. Replacing worn blades with new ones ensures optimal visibility and safety. Look for signs of wear, such as streaks, skipping, or tearing, and replace the blades accordingly.
8. Extended Wipe Zones: Understanding Special Features
Some modern vehicles feature extended wipe zones that allow the wiper blades to cover a larger area of the windshield, improving visibility during inclement weather. Consult your vehicle’s manual to understand the operation and maintenance requirements of these advanced wiper systems and ensure their long-term functionality.
Safety Considerations when Using Back Windshield Wipers
Activating back windshield wipers in certain situations can increase risks of driving. Understanding when to refrain from using these wipers will help prevent these hazards.
Visibility Impairment
The back windshield wiper fluid can create a film on the glass, obscuring the driver’s view. Avoid using the wipers if the rear window is already obscured by dirt, grime, or heavy rain, as this can worsen visibility.
Distraction
The motion of the back windshield wipers can be distracting, drawing the driver’s attention away from the road. Minimize distractions by not using the wipers when visibility is clear.
Electrical Overload
Using multiple electrical components simultaneously can strain the vehicle’s electrical system. Avoid activating the back windshield wipers while using headlights, high beams, or other power-hungry devices to prevent potential electrical issues.
Inoperable Wipers
Frozen or damaged wipers can become inoperable during cold or snowy weather. When this occurs, refrain from using the back windshield wipers until they are repaired or replaced.
Wiper Arm Damage
Applying force to the back windshield wipers when they are frozen or stuck can damage the wiper arms or blades. To prevent this, gently clear any ice or debris before activating the wipers.
Reduced Lifespan
Unnecessary use of the back windshield wipers can shorten their lifespan. Avoid using the wipers for cosmetic purposes or when the rear window is not dirty.
Obscured Brake Lights
In heavy rain or snow, the back windshield wiper blade can obscure the vehicle’s brake lights. Avoid using the wipers when visibility is poor to ensure other drivers can clearly see your braking signals.
Risk of Fire
In rare cases, electrical faults in the back windshield wiper motor can lead to a fire. To minimize this risk, keep the wiper motor and wiring in good condition and avoid using the wipers if any electrical problems are suspected.
Unexpected Cabin Water Entry
The back windshield wiper seal can become damaged over time, allowing water to leak into the vehicle’s cabin. To prevent this, regularly inspect the seal and replace it if necessary.
Advanced Features and Enhancements for Back Windshield Wipers
Back windshield wipers have evolved significantly in recent years, offering a range of advanced features and enhancements:
1. Variable Speed Control
Allows you to adjust the speed of the wiper blades to suit different weather conditions.
2. Intermittent Wiping
Enables the wipers to pause for a short period between strokes, reducing water buildup.
3. Rain Sensors
Automatically activate the wipers when rain is detected, eliminating the need for manual operation.
4. Heated Blades
Prevent ice and snow from sticking to the blades, ensuring optimal performance in cold weather.
5. Aerodynamic Design
Reduces wind noise and improves visibility by minimizing blade vibration.
6. Rear Camera Integration
Provides a clear view of the rear by wiping the camera lens.
7. Blade Replacement Indicators
Alert you when the wiper blades need to be replaced, ensuring optimal performance.
8. Integral Washer Fluid System
Provides a convenient way to dispense washer fluid directly to the back windshield.
9. Wiper Arm Spoiler
Improves wiper blade contact with the glass, reducing streaks and improving visibility.
10. Advanced Blade Materials
Utilize materials like silicone or graphite to provide longer life, reduced noise, and improved wiper performance. Some advanced materials also offer hydrophobic properties that repel water, enhancing the wiper’s effectiveness.
How To Use Back Windshield Wipers
Back windshield wipers are an important safety feature that can help you see clearly when driving in inclement weather. Here are the steps on how to use them:
- Locate the wiper switch. It is usually located on the left side of the steering wheel or on the dashboard.
- Turn the switch to the “on” position. This will activate the wipers.
- Adjust the wiper speed. Most wiper switches have a variety of speeds to choose from. Select the speed that is appropriate for the weather conditions.
- Turn the switch to the “off” position when you are finished using the wipers.
Here are some additional tips for using back windshield wipers:
- Keep the wiper blades clean. Dirty wiper blades can streak and scratch the windshield.
- Replace the wiper blades regularly. Wiper blades typically last for about six months to a year.
- Use a wiper fluid that is specifically designed for back windshield wipers. This will help to keep the blades from freezing in cold weather.
People Also Ask
How often should I use my back windshield wipers?
You should use your back windshield wipers whenever it is raining, snowing, or sleeting. You should also use them to clear away dirt, dust, and pollen.
Can I use my back windshield wipers in the winter?
Yes, you can use your back windshield wipers in the winter. However, you should use a wiper fluid that is specifically designed for cold weather. This will help to keep the blades from freezing.
How do I replace my back windshield wiper blades?
Replacing your back windshield wiper blades is a relatively easy task. Here are the steps:
- Lift the wiper arm away from the windshield.
- Pinch the release tab on the old wiper blade and slide it off the wiper arm.
- Slide the new wiper blade onto the wiper arm and snap it into place.
- Lower the wiper arm back onto the windshield.
