When a warning light flickers, it can sometimes cause panic - especially if you don’t know the meaning of the symbol already. To prevent potential damage or safety risks, we’ve made a list of the most common symbols you may see, so you can promptly address the issue.
Dashboard warning lights vary from one vehicle manufacturer to another, but there are some which usually pop up more than others. The specific meanings can vary depending on the make and model, but it’s usually simple to identify the right issue from the symbol.
The light that indicates an issue with the engine usually looks exactly like an engine – thankfully! When this symbol lights up, it typically means that there is a problem with the emission control system, or the engine itself, and could range from a minor issue such as a loose petrol gap, to something more severe like a blown head gasket. If the problem is unable to be visually located, head to the closest service centre.
A battery warning light signals that there is a problem with the vehicle charging system. This could be a small fault such as corrosion of the battery. However, it often means that the car battery is no longer being charged by the alternator, and the car could soon run out of power - resulting in a break down. The issue can be solved by charging the battery or having a battery replacement.
This light usually appears as an exclamation mark within a circle and signals an issue with the braking system. The problem could range from low brake fluid or worn brake pads, to faulty brake wiring or faulty brake lights. So, check the brake fluids, handbrake and brake lights or head to a garage for further assistance.
Arguably the most well-known dashboard light is the fuel warning symbol. This will show up to notify the driver that the levels of fuel in the tank are getting very low, and that they will need to head to a petrol station as soon as possible. There will usually be a small amount of fuel left to get the vehicle to a safe place, however it won’t last longer than a couple of miles, if that.
If the coolant symbol lights up, then it is signally that the engine is overheating. The coolant in the engine will have gotten too hot and will no longer be keeping the engine cool. Temperatures will no longer be safe, and the engine will have to be shut off. Once cool, check under the bonnet for a leak or loose cap on the coolant tank. If the problem is still not clear, call for a breakdown vehicle to avoid having to start the engine.
When the engine oil pressure light comes on, it likely means that the car oil has dropped in pressure. This could mean several things - from the oil running out or being dirty, to an oil pump replacement required. If it appears, the vehicle needs to be pulled over as soon as possible (when it’s safe to do so), to avoid engine damage. A visible leak will require the assistance of a breakdown service, but if everything looks ok, head to a service centre for an oil check.
An airbag warning light indicates that the airbags are not working correctly and may not be activated in a collision – sometimes another side effect of a dead battery. This is another significant issue and means the vehicle is unsafe to drive. It is essential that as soon as the problem is noticed, you get to a garage as quick as possible for help fixing the problem, or to receive a replacement.
The tyre pressure warning light coming on or flashing is to usually inform that there is an issue with tyre inflation. A decrease in tyre pressure can be caused by a leak or puncture and can be very dangerous. It usually means the air pressure in at least one tyre has dropped below the minimum tolerance level. As the vehicle will then be more difficult to control, refrain from driving - unless it is to a garage or service centre for a tyre fitting, replacement or repair.
Most modern cars have a dedicated ABS warning light which, when lit up, indicates a problem with the emergency braking system. An issue with the ABS means that there is a danger the car won’t be able to be controlled in situations where braking needs to be instant. The car is still safe to drive with this light, but we would recommend heading to a mechanic to fix this issue as soon as possible.
A warning often represented by a car with squiggly lines, or the letter TC or TCS, the traction control light is to signal that the vehicle has detected a problem with traction or is actively working on improving the problem. This is usually caused by slippery road surfaces or a simple malfunction. However, once the light appears, driving must be adjusted to prevent any chances of skidding or losing control, and we advise having the vehicle looked over by a mechanic ASAP.
We hope our list of the top 10 warning lights has helped you. If you’re still unsure about a warning light, contact your vehicle's manufacturer, or find you nearest garage here to consult with a mechanic.
