Dashboard Warning Lights and What They Mean
The following guide will help you understand which car warning light symbols and indicators can be found on car dashboard for most makes and models of cars, trucks, buses and motorbikes.
Fog light (front)
Power steering warning light
Fog light (rear)
Washer fluid low
Brake pad warning
Cruise control on
Rain and light sensor
Glow plug/diesel pre-heat warning
Ignition switch warning
Key not in vehicle
Key fob battery low
Press clutch pedal
Press brake pedal
Steering lock warning
Main beam headlights
Tyre pressure low
Exterior light fault
Brake lights warning
Diesel particulate filter warning
Trailer tow hitch warning
Air suspension warning
Lane departure warning
Catalytic converter warning
Seat belt not on
Parking brake light
Headlight range control
Rear spoiler warning
Convertible roof warning
Water in filter
Dipped beam headlights
Dirty air filter
Eco driving indicator
Hill descent control
Fuel filter warning
Automatic gearbox warning
Oil pressure low
Stability control off
Rear window defrost
Auto windscreen wiping
Engine Temperature Warning Light
Indicator light means the engine temperature has exceeded normal limits. Check coolant level, fan operation, radiator cap, coolant leaks.
Battery Charge Warning Light
Indicator light means that the car’s charging system is short of power or is not charging properly. It normally indicates a problem with the battery itself or the alternator.
Oil Pressure Warning Light
Indicator light means loss of oil pressure, meaning lubrication is low or lost completely. Immediately check the oil level and pressure.
Parking Brake Warning Light
Indicator light turns on when the handbrake is on. If it lit continuously, it means that hydraulic pressure has been lost in one side of the brake system or that the fluid level in the master cylinder is dangerously low (due to a leak somewhere in the brake system).
Tire Pressure Warning Light
Indicator light means the pressure is low in one of your tires.
Traction Control Off
Indicator light means that the vehicles TCS (traction control system) has been deactivated.
Steering Wheel Lock
Indicator light means your steering wheel is locked and can not be moved. To turn off the steering lock, insert the key into the ignition and turn it to at least the first position while turning the steering wheel in either direction.
Trailer Tow Hitch Warning
Indicator lights mean that the tow hitch is unlocked or that there’s an issue with the lighting system.
Traction Control Light
Indicator light turns on when the vehicle TCS (traction control system) is activated.
Service Vehicle Soon
Indicator light turns on when there is a fault condition in an area of the vehicle chassis systems such as—the anti-lock (ABS) brake system, the traction control (TCS) system, the electronic suspension system, or the brake hydraulic system.
Immobilizer Security Alert
Indicator light will turn on momentarily if the ignition switch is locked and will need the proper transponder-equipped key to restart. If the light is visible when the vehicle is on, then it typically indicates a malfunction in the security system.
Reduced Power Warning
Indicator light means that the Engine Computer has limited engine power output.
Indicator light turns on when a powertrain or AWD fault has been detected. Contact your mechanic as soon as possible.
Brake Pad Warning
Indicator light means that the brake pads are worn
Indicator light means that there is a problem with the air suspension bags, likely due to a leak or inflation issue.
Catalytic Converter Warning
Indicator light means the catalytic converter is either overheating or not operating as intended.
Indicator light means that the brake fluid level is low.
Key Fob Battery Low
Indicator light lets you know when your key fob battery needs to be changed and replaced, so you can continue using the remote.
Eco Driving Indicator
Indicator light will turn on when the Eco function is activated.
Start/Stop Warning Light
Indicator light turns on to inform the driver that Intelligent Stop / Start system is active and the engine has been shut down.
Glow Plug Indicator ( Diesel Cars)
Indicator light means that the engine’s glow plugs are warming up and the engine should not be started until the light goes out. If it flashes, an issue has been detected, such as a worn out glow plug.
Fuel Filter Warning
Indicator light means that the diesel fuel filter is full, and needs to be emptied to avoid engine damage.
Indicator light means that the diesel exhaust fluid reservoir is low on fluid
AdBlue Tank is Empty
Indicator light means you have to fill the tank with more exhaust fluid.
Indicator light means either the AdBlue system is malfunctioning or the system is not filled with the standard liquid.
Water Fluid Filter Warning
Indicator light means water in fuel filter has reached maximum capacity. Drain the water from filter.