GMC Dashboard Symbols Explained
Maintenance Required Warning Light
This reminds you that it’s time to bring your vehicle for maintenance at your local GMC dealership, like our Lima service center.
Check Engine Warning Light
Your GMC may lack power or stutter as you press the accelerator and your engine should be inspected.
Electric Power Steering Warning Light
If you see this light, try turning the car off and back on again after 30 seconds.
Oil Pressure Warning Light
Oil temperature may be too high or the oil level/pressure is too low. You may need an oil change to address the light.
Exhaust Fluid Warning Light
The diesel exhaust fluid level is low, which means your engine may not be able to start.
Parking Brake and Brake Fluid Warning Light
If this stays on even after you release the parking brake, or lights up while you’re driving, your brake fluid level may be low.
Coolant Temperature Warning Light
The engine could be overheating due to low coolant levels or a more severe issue like a head gasket failure.
Low Tire Pressure Warning Light
Your tire pressure monitoring system is indicating pressure is too low – schedule a tire rotation or balancing service if you notice uneven tread wear, as well.
Exhaust Particulate Filter Warning Light
The filter in exhaust may be blocked with debris.
Charging System Warning Light
If this light comes on while you’re driving, the alternator may not be producing electricity and the car is running off battery power.
Anti-lock Brake System Warning Light
This light relates to making an abrupt stop or if you’re in inclement weather conditions like slippery or icy roads.
Electronic Stability Control Warning Light
There may be an issue with your traction control.
Glow Plug Warning Light
When your diesel engine is warming up, wait until the light goes off before driving your car.
Airbag/Supplemental Restraint System Light
When this lights up, at least one component of the airbag safety system is not working correctly.
Fuel Cap Warning Light
If the gas cap is not properly closed, this light will turn on.
Headlight/Tail Light Out Warning Light
This warns you that one (or more) of your headlights or tail lights is not working.
Adaptive Front Lighting System Light
There may be a malfunction in your adaptive front lighting system, which helps improve visibility and response time by turning the headlights as you turn the wheel.
Automatic Emergency Braking Light
The automatic emergency braking system is unavailable, possibly caused by the sensor being too hot, too cold or blocked.
Immobilizer Indicator Warning Light
An immobilizer is an electronic security device that prevents the car from running unless the right key is used. This light turns on when your key is recognized.
Lane Keeping Assist System Light
Lane Keep Assist System detects if you’re straying from your lane and its warning light turns on when there’s a fault in the system.
Schedule Service at Our GMC Service Center in Lima
If your vehicle’s dashboard has some lights that require attention, schedule a service appointment at our Lima service center. If you have any questions about GMC warning lights or routine maintenance, contact us at Tom Ahl Buick GMC.