What Does My Warning Light Mean? | Yark Service Center in Toledo (2024)

We all cringe when we see a warning light illuminate on our dash. Some of them may mean something serious, but most are just precautionary alerting you of an issue that needs attention. Some warning lights on the other hand will require a visit to our CJDR service center. Here we will help you understand some of the most common warning lights and what most would mean. Of course, always refer to your owner's manual for specific information as some manufacturers have different meanings or recommendations. As always, feel free to contact us at any time to help at 1-800-848-YARK!

What Does My Warning Light Mean? | Yark Service Center in Toledo (1)

Check Engine Light:

Your check engine light can come on forhundreds of reasons. It can be anything from a loose gas cap to a misfire in the motor. We will not know what is going on until we plug into the vehicle and run some tests on your car. It is ok for you to drive the vehicle but you want to get it into the shop as soon as possible.

Note:This light will come on when the car is in the run position but should turn off when started.


Flashing Check Engine Light:

If your check engine light is flashing then the malfunction is happening right now as it is running. You should not drive the vehicle when the light is flashing. Call us as soon as possible and we can help you fix it.

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What Does My Warning Light Mean? | Yark Service Center in Toledo (2)

Tire Pressure Warning Light:

On most newer vehicles each has a sensor that monitors the tire pressure. When the vehicle senses one of your tires drops in pressure this light will illuminate. There are a couple reasons why a tire has a pressure loss: 1. There is an object that has punctured the tire like a nail or screw; 2. The "bead" where the tire meets the rim becomes unseated or is not properly sealed; 3. The "valve stem" where air in placed in the tire is worn or leaking; 4. There is a dramatic change in outside temperature that required the inside tire pressure to be adjusted. Make sure you take a tire warning light seriously! Low pressure can affect steering and braking of your vehicle. Any puncture or leak could cause the tire to burst and loss of control of the vehicle. Stop by and see us so we can check your tires for leaks and adjust the pressure as needed!


Flashing Tire Pressure Light:

A Flashing Tire light can mean 2 things. It can mean an immediate and rapid loss of tire pressure in one of your tires. Slow down as safely and quickly as possible and move the vehicle to a safe place. Visually check all your tires and see if you can notice any visual difference in your tires. If you do observe any visual issues with your tires, there could be a malfunction with one of the tire pressure monitors. Either scenario is serious. Call for immediate assistance and do not drive your vehicle unless the issue is addressed.

What Does My Warning Light Mean? | Yark Service Center in Toledo (3)

Oil Change Required Light:

This oil change required light comes on when it is time to get the oil and oil filter changed on your vehicle. It is crucial the the health of the engine that you service it when it is due. Ignoring this light for too long can cause severe internal engine damage. Stop by and see us to maintain your vehicle!

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Oil pressure warning light:

The oil pressure light illuminates when the vehicle is operating at low oil pressure. Driving is not advised as low oil pressure can cause EXTREME internal engine damage. We recommend immediately turning off your vehicle and having your vehicle towed to the dealership. Give us a call at 800-848-YARK and we can help you set that up.

What Does My Warning Light Mean? | Yark Service Center in Toledo (5)

Charging system Light:

The charging system light comes on when there is an issue with the electrical or charging system on your vehicle. This could mean the vehicle may need the battery serviced or replaced, the alternator replaced, or that there is an issue with an electrical connection to any of these components. We recommend having your vehicle towed to the dealership for diagnosis.

Windshield Washer Fluid Low Light:

The washer fluid level low light alerts you to low or no washer fluid in your vehicle. Do NOT fill up with just water. Washer fluid systems are typically made of plastic and rubber components. In cold climates, if just water is in the system these components can break and leak fluid to the ground. We recommend only approved washer fluid that has a special anti-freeze in it to keep it from freezing in the system. However, even in extreme low temperatures, this fluid can freeze up. We use only approved washer fluid as recommended by our manufacturers. Stop by for a top off!

Coolant Temperature Warning Light:

The coolant temperature warning light means your vehicle's engine is running at a higher than normal operating temperature. The system could have a loss of coolant, improper coolant mixture, a malfunctioning engine thermostat or another issue. This can lead to major engine problems, overheating, and stranding you and your vehicle. We recommend having your vehicle towed to the dealership for diagnosis.


What Does My Warning Light Mean? | Yark Service Center in Toledo (7)

Transmissiontemperaturewarning light:

The transmission warning light illuminates when there is internal transmission issues. The issues could be a higher than normal temperature in the transmission fluid, gear issues, programming issues or another issue. This light is a serious issue and we recommend coming to a safe TRANSMISSION is running it a higher then normal temperature then it is designed to. Failure to get this looked at can cause major internal transmission problems. We recommend immediately turning off your vehicle and having your vehicle towed to the dealership.


What Does My Warning Light Mean? | Yark Service Center in Toledo (8)

Brake System Warning Light:

The brake system warning light refers to malfunctions in components in the braking system. It could also simply mean you have left your parking brake on. Braking is very important to the safety of you and your vehicle. Check your parking brake first, if it is released and the light is still illuminated, call us for assistance.

What Does My Warning Light Mean? | Yark Service Center in Toledo (9)

ABS Fault Light:

The ABS Fault Light illuminates when a wheel speed sensor is malfunctioning. By tracking the speed of each wheel, your vehicle determines when to apply the ABS feature of the braking system. When a sensor is not working properly, the anti-lock braking system is inoperative. You can drive, but must do so with caution as this is a safety feature of the vehicle. We recommend servicing your vehicle as quickly as possible to keep you as safe as possible.

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Traction Control:

The traction control light signifies may have several meanings depending on your vehicle. When the light is illuminated, it means the vehicles ability to control traction, sliding, or braking of the vehicle is limited or not computer assisted. Sometimes, it is just a setting in the vehicles software menu, or that the traction control 'off' button was presses. If none of these items have manually turned the system off, then there is a malfunction with the components of the system. The car is drivable but this safety feature is limited or off. Refer to your owners manual for more information of give us a call for assistance or an appointment.


ESP Fault:

Most vehicles do not come with a stabilization program in their software systems. This program measures a variety of information to determine if your vehicle has the potential for sliding or loosing control. The system can independently reduce the engine speed and/or brake individual tires to reduce or correct the vehicle from a potential spin out. It is not absolute in its ability to keep you out of every potential spin situation, but it is incredibly successful in keeping vehicles safe. When this system is activated, most vehicles will flash this light to let you know it is assisting in correcting a potential spin. If the light is solid, there is an issue with the system itself. Refer to your owner's manual for information relevant to your specific vehicle.


What Does My Warning Light Mean? | Yark Service Center in Toledo (11)

Airbag Fault:

The airbag light illuminates when the vehicle is first started as the system performs a systems check at each start of the vehicle. If the airbag light remains illuminated, it means there is a malfunction in the system and part, if not all of the system will not activate in the event of a crash. This does not prevent your vehicle from operating, but it does affect the safety of the occupants. Please schedule an appointment with us as quickly as possible.


What Does My Warning Light Mean? | Yark Service Center in Toledo (12)

Cruise Control Active:

This light illuminates when your vehicle's cruise control is on and ready for use. Use your controls to set, resume or turn off the cruise control.


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*This is purely an information guideline. Not all manufacturers or vehicles have the same warning lights. We have listed the most common lights here. Please refer to your owner's manual for the most accurate information about your vehicle.

What Does My Warning Light Mean? | Yark Service Center in Toledo (2024)

FAQs

What does service warning light mean? ›

The "Check Engine" or "Service Engine Soon" light indicates there may be a repair or replacement of your engine or transmission. It means there is more than a routine repair or service requirement, and instead, a system failure to the fuel, transmission, ignition, or emissions.

What do the warning lights on my dashboard mean? ›

Green: the system is working correctly or is currently in use. Yellow: something is not working correctly - take extra care and check it out as soon as possible. Red: there is a serious, and potentially dangerous problem - stop driving as soon as it is safe to do so.

What is the service light on my car dashboard? ›

The Service Light:

What it looks like: Usually displayed in the form of a spanner and sometimes in text form such as "service due now". What it means: This one isn't so bad and simply means that it's time to book your car in for its annual service.

What does it mean when a warning light comes on? ›

There are 3 different categories of warning lights; red, amber and green: Red warning lights mean you should stop the car as soon as it's safe. Yellow warning lights mean that action is required. Green warning lights are for information only.

What is the most serious warning light? ›

The check engine light is usually the most serious and feared warning because of the kind of damage it can signal. This warning often indicates the potential for serious engine damage.

Can I drive with service light on? ›

It is not advisable to drive with the oil light on for an extended period. If you're driving on the highway, it's best to find a safe place to stop and have your car checked out. As we've already mentioned, driving with the oil light on can result in severe engine damage, so it's best to avoid it if possible.

Can I drive my car with all the warning lights on? ›

All dashboard lights should turn on at ignition. This indicates that the vehicle is performing a self-test. However, if these lights stay on while you're driving, you could be dealing with a serious electrical problem. A faulty alternator is usually the culprit for illuminated dashboard lights.

What is the most common reason for check engine light? ›

Oxygen Sensor Malfunction

One of the most common reasons your check engine light may come on is that your oxygen sensor is failing. Your local auto repair shop in Western Washington can replace it for you quickly, which will restore your vehicle's ability to measure unburned oxygen in its exhaust system.

Does service light mean oil change? ›

You've probably noticed that when you start your engine, your “service oil” indicator will usually light up for a few seconds. This is normal and helps ensure that the bulbs in your dashboard are working properly. But if your light stays on, that's when you know you're ready for an oil or filter change.

Why does service light come on after service? ›

This means that more than one problem could be causing your check engine light to illuminate. Perhaps the technician replaced your oxygen sensor, but your engine also needs some spark plugs to be replaced. The best course of action here is to take your car to the technician again to see what else needs to be done.

What is the service required symbol? ›

The service required warning symbol informs a vehicle's owner that a service or preventative maintenance is required. Quite often this symbol is a courtesy reminder for scheduled regular maintenance, but other times it could be indicating that a more important or serious problem needs to be diagnosed and repair.

What are the 2 main types of dashboard warning lights? ›

There are two main types of dashboard warning lights: red and orange. A red warning light generally indicates a serious issue with your car. You should act quickly if your dashboard warning light is red – it could be an overheating engine, low engine oil pressure or a braking system problem.

What is the yellow triangle light with exclamation point? ›

This indicator lets you know that there's a Critical Warning Message that you need to read as soon as possible, but it doesn't actually indicate a specific problem. Really, the triangle with an exclamation point is a catch-all warning light, designed to alert you to issues that your other lights won't catch!

What warning light looks like exclamation point? ›

Newer model vehicles are equipped with a tire pressure monitoring system (TPMS) to warn drivers that at least one of their tires is underinflated. The dashboard light looks like an exclamation point inside of a horseshoe and, if illuminated, should be addressed immediately.

What is the most common reason for a service engine soon light? ›

Since the sensors that turn on the service engine soon light are often triggered by a malfunction in the emission control system, the problem could be as simple as a missing or ill-fitting gas cap. Once you are safely off the road, carefully check the gas cap to make sure it is tight and fully seated.

Does service engine mean oil change? ›

The “service engine soon” light indicates that upcoming vehicle maintenance is due. This can indicate service is required for an oil change, air filter, or transmission fluid service. The “check engine” light (CEL) is more urgent than the service engine soon light.

What is the service required warning? ›

The service required warning symbol informs a vehicle's owner that a service or preventative maintenance is required.

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