How to Reset Low Washer Fluid Light Infiniti Q50

Resetting the low washer fluid light on your Infiniti Q50 is quick and easy once you know the right steps. This guide walks you through the process, explains why the light comes on, and offers tips to avoid future issues. Whether you’re a new owner or a seasoned driver, you’ll find everything you need to keep your vehicle running smoothly.

Key Takeaways

• Check fluid level first: Always verify that your washer fluid reservoir is full before attempting to reset the warning light.
• Use the correct fluid: Only use windshield washer fluid—never water alone—to prevent freezing and ensure proper cleaning.
• Reset via steering wheel controls: Most Infiniti Q50 models allow you to reset the light using buttons on the steering wheel and the instrument cluster menu.
• Wait for system recognition: After refilling, drive the car for a few minutes so the sensor can detect the new fluid level.
• Inspect for leaks or clogs: A persistent light may indicate a leak in the reservoir or a clogged nozzle, requiring further inspection.
• Consult your owner’s manual: Model years vary slightly, so always refer to your specific Q50 manual for accurate instructions.
• Seek professional help if needed: If the light won’t turn off after proper refill and reset, visit an Infiniti service center to check the sensor or wiring.

Understanding the Low Washer Fluid Light in Your Infiniti Q50

Driving a luxury sedan like the Infiniti Q50 means enjoying advanced technology, smooth performance, and a host of helpful dashboard alerts. One of those alerts is the low washer fluid light—a small icon that looks like a windshield with droplets spraying from it. When this light illuminates, it’s your car’s way of saying, “Hey, I need more cleaning solution!”

While it might seem like a minor issue, ignoring the low washer fluid warning can lead to reduced visibility during rain, snow, or dusty conditions. Clean windshields are essential for safe driving, and the washer system plays a crucial role in maintaining that clarity. The Infiniti Q50 is equipped with a sensor in the washer fluid reservoir that monitors fluid levels. Once the level drops below a certain point, the sensor triggers the warning light on your dashboard.

Many drivers assume that simply topping off the fluid will make the light disappear—and in most cases, it does. However, some Infiniti Q50 models require a manual reset of the warning system after refilling. This is where confusion often sets in. You might fill the reservoir, drive around, and still see that persistent yellow or orange light staring back at you from the instrument cluster.

The good news? Resetting the low washer fluid light on your Infiniti Q50 is straightforward once you know how. It doesn’t require special tools, a trip to the dealership, or advanced mechanical skills. With a few simple steps, you can clear the warning and get back to enjoying your drive with peace of mind.

Why Does the Low Washer Fluid Light Come On?

Before diving into the reset process, it’s helpful to understand why the light appears in the first place. The Infiniti Q50 uses an electronic sensor located inside the washer fluid reservoir to monitor fluid levels. This sensor is typically a float-based or capacitive system that detects when the fluid drops below a safe operating threshold.

Common Causes of the Warning Light

The most obvious reason the light comes on is simply that you’re running low on washer fluid. Over time, frequent use—especially in winter months or during long road trips—can deplete the reservoir faster than expected. But there are other factors that might trigger the alert:

• Evaporation in hot weather: In warmer climates, washer fluid can evaporate slightly over time, especially if the reservoir cap isn’t sealed properly.
• Leaks in the system: A cracked reservoir, loose hose connection, or damaged pump can cause fluid to leak out, triggering the sensor prematurely.
• Clogged nozzles: If the spray nozzles on your windshield are blocked by dirt or debris, you might use more fluid trying to clean the glass, leading to faster depletion.
• Faulty sensor: Like any electronic component, the fluid level sensor can wear out or malfunction, sending false signals to the dashboard.
• Using the wrong fluid: Water alone doesn’t provide the same cleaning power as formulated washer fluid and can freeze in cold temperatures, potentially damaging the system.

When to Take Action

It’s always best to address the low washer fluid light as soon as it appears. Even if you’re not actively using the washer system, having a full reservoir ensures you’re prepared for sudden weather changes or unexpected road grime. Plus, resolving the issue promptly can prevent secondary problems like a dried-out pump, which can burn out if run without fluid.

If the light comes on frequently—even after regular refills—it’s worth inspecting the system for leaks or sensor issues. A quick visual check under the hood can often reveal cracks or wet spots around the reservoir. And if you notice the fluid level dropping rapidly, it’s a strong sign that something beyond normal usage is going on.

How to Locate and Refill the Washer Fluid Reservoir

Before you can reset the low washer fluid light, you need to make sure the reservoir is actually full. Let’s walk through how to locate and properly refill the washer fluid tank in your Infiniti Q50.

Finding the Reservoir

Open the hood of your Infiniti Q50 and look toward the front of the engine bay, usually on the driver’s side. The washer fluid reservoir is a translucent plastic tank with a blue or black cap labeled “Windshield Washer” or featuring a windshield icon. It’s typically positioned near the firewall or alongside the coolant reservoir.

The translucent design allows you to see the fluid level without opening the cap. You should be able to tell at a glance whether the fluid is low. If it’s below the “MIN” line or barely visible, it’s time for a refill.

Choosing the Right Washer Fluid

Not all fluids are created equal. While it might be tempting to use plain water or household glass cleaner, these can damage your system or fail to clean effectively. Always use a commercial windshield washer fluid designed for automotive use.

There are three main types:

• All-season fluid: Works in most climates and provides good cleaning power year-round.
• De-icer formula: Contains methanol or alcohol to prevent freezing in cold weather—ideal for winter driving.
• Bug remover blend: Enhanced with detergents to tackle stubborn insect residue on the windshield.

Check your owner’s manual for any specific recommendations. Infiniti generally advises against using water alone, as it can promote bacterial growth, freeze in cold temps, or leave mineral deposits.

Refilling the Reservoir

Once you’ve got the right fluid, follow these steps:

1. Unscrew the reservoir cap slowly to release any pressure.
2. Pour the washer fluid into the opening until it reaches the “MAX” line. Avoid overfilling, as expansion can cause leaks.
3. Replace the cap securely to prevent contamination and evaporation.
4. Close the hood and test the washer system by activating it from the steering column lever.

After refilling, you should hear the pump engage and see fluid spray onto the windshield. If nothing happens, double-check that the cap is on tight and the fluid level is adequate. A silent pump could indicate a blown fuse or a faulty motor—issues that may require professional attention.

Step-by-Step Guide to Resetting the Low Washer Fluid Light

Now that your reservoir is full, it’s time to reset the warning light. The process varies slightly depending on your Infiniti Q50’s model year and trim level, but the general method remains consistent across most vehicles from 2014 onward.

Using the Steering Wheel Controls (Most Common Method)

This is the easiest and most reliable way to reset the low washer fluid light on your Infiniti Q50. Here’s how:

1. Turn the ignition to the “ON” position: You don’t need to start the engine—just press the start button once (or turn the key to position II) so the dashboard lights up.
2. Navigate to the settings menu: Use the arrow buttons on the left side of your steering wheel to scroll through the instrument cluster display. Look for the “Settings” or “Vehicle Settings” option.
3. Find the “Maintenance” or “Service” menu: Within the settings, locate the maintenance section. This is where oil life, tire pressure, and fluid alerts are managed.
4. Select “Washer Fluid” or “Fluid Level Reset”: Scroll until you see an option related to washer fluid. On some models, it may be labeled “Reset Washer Fluid Indicator.”
5. Confirm the reset: Press the “OK” or “Enter” button to confirm. The system will acknowledge the reset, and the warning light should turn off.
6. Turn off the ignition and restart the car: To ensure the change takes effect, power down the vehicle completely and then restart it.

If the light remains on after this process, wait a few minutes and try again. Sometimes the system needs a moment to recognize the new fluid level.

Alternative Method: Drive Cycle Reset

On some Infiniti Q50 models—particularly earlier ones—the system may reset automatically after a short drive. Here’s what to do:

1. Refill the washer fluid reservoir completely.
2. Start the engine and let it idle for 2–3 minutes.
3. Drive the vehicle at normal speeds for 5–10 minutes.
4. Use the windshield washer system several times during the drive.
5. Check the dashboard after parking—the light should be off.

This method relies on the sensor detecting the increased fluid level and the system logging normal usage. It’s less precise than the menu reset but can work in a pinch.

Troubleshooting a Persistent Light

If the low washer fluid light still won’t turn off after refilling and attempting a reset, consider these possibilities:

• The sensor is stuck or dirty: Dirt or residue can interfere with the float mechanism. Try gently cleaning the sensor (located inside the reservoir) with a soft cloth.
• Electrical connection issue: The wiring harness connected to the sensor may be loose or corroded. This requires inspection by a technician.
• Software glitch: Occasionally, the vehicle’s computer needs a full reset. Disconnecting the battery for 10–15 minutes can sometimes clear stubborn errors.
• Faulty instrument cluster: In rare cases, the problem isn’t the sensor but the display itself. A diagnostic scan at a dealership can confirm this.

When in doubt, consult your owner’s manual or visit an Infiniti service center. They have the tools to run a full system check and ensure everything is functioning correctly.

Tips to Prevent Future Low Washer Fluid Alerts

Now that you’ve successfully reset the light, let’s talk about how to avoid seeing it again anytime soon. A little proactive maintenance goes a long way in keeping your Infiniti Q50’s systems running smoothly.

Check Fluid Levels Regularly

Make it a habit to check your washer fluid level every time you fill up with gas. It only takes a few seconds, and you’ll catch low levels before the warning light appears. This is especially important before long trips or seasonal changes.

Use High-Quality Washer Fluid

Invest in a reputable brand of washer fluid that matches your climate. Cheap or diluted formulas may not clean effectively and can leave streaks or residue. Premium fluids often include additives that protect the pump and prevent freezing.

Inspect for Leaks Monthly

Pop the hood once a month and look for signs of leaks around the reservoir, hoses, and pump. A small drip can turn into a big problem over time. If you notice fluid on the ground under your car, trace it back to the source.

Clean the Nozzles

Over time, spray nozzles can get clogged with dirt, salt, or dried fluid. Use a pin or needle to gently clear any blockages. You can also wipe the nozzles with a damp cloth to remove surface grime.

Replace the Reservoir Cap if Damaged

A cracked or warped cap can allow fluid to evaporate or contaminants to enter. If your cap doesn’t seal tightly, replace it with an OEM part from Infiniti or a trusted aftermarket supplier.

Keep Spare Fluid in the Trunk

Stash a small bottle of washer fluid in your trunk, especially during winter or road trips. This ensures you’re never caught off guard by a low reservoir far from home.

When to Seek Professional Help

While most low washer fluid issues are simple to fix, there are times when professional assistance is the best course of action. Don’t hesitate to visit an Infiniti service center if:

• The warning light won’t turn off after multiple reset attempts and confirmed refills.
• You notice fluid leaking from under the car or around the reservoir.
• The washer pump makes unusual noises or fails to spray fluid.
• The instrument cluster shows other unrelated warning lights or errors.
• You’re unsure about the correct reset procedure for your specific model year.

Technicians have access to diagnostic tools that can read error codes and test sensor functionality. They can also perform a pressure test on the washer system to detect hidden leaks.

Remember, addressing small issues early can prevent costly repairs down the road. Your Infiniti Q50 is designed for performance and reliability—keeping up with routine maintenance ensures it stays that way.

Conclusion

Resetting the low washer fluid light on your Infiniti Q50 doesn’t have to be a mystery. With the right knowledge and a few simple steps, you can clear the warning, maintain clear visibility, and keep your vehicle in top condition. Start by checking and refilling the reservoir, then use the steering wheel controls to reset the indicator through the instrument cluster menu.

Regular maintenance, quality fluid, and occasional inspections will help you avoid repeat alerts and ensure your washer system works when you need it most. And if you ever run into persistent issues, don’t hesitate to consult your owner’s manual or reach out to a certified Infiniti technician.

Safe driving starts with a clear view—so keep that windshield clean and that warning light off. Your Infiniti Q50 will thank you, and so will your peace of mind.

Frequently Asked Questions

How do I reset the low washer fluid light on a 2017 Infiniti Q50?

Turn the ignition to the “ON” position, use the steering wheel buttons to navigate to Settings > Maintenance > Washer Fluid Reset, and confirm. The light should turn off after restarting the vehicle.

Can I use water instead of washer fluid in my Infiniti Q50?

It’s not recommended. Water can freeze in cold weather, promote bacterial growth, and lack the cleaning agents needed for effective windshield care. Always use automotive-grade washer fluid.

Why does my washer fluid light stay on after I refill it?

This could be due to a faulty sensor, a clogged float mechanism, or a need for a manual reset. Try the reset procedure via the instrument cluster menu or consult a technician if the issue persists.

How often should I check my washer fluid level?

Check it every time you fuel up, or at least once a month. More frequent checks are advised during winter or after long drives.

Where is the washer fluid reservoir located in the Infiniti Q50?

It’s usually on the driver’s side of the engine bay, near the front. Look for a translucent plastic tank with a blue or black cap labeled with a windshield icon.

Will disconnecting the battery reset the low washer fluid light?

In some cases, yes—disconnecting the battery for 10–15 minutes can clear temporary glitches. However, it’s better to use the proper menu reset method first to avoid resetting other systems.