![]() This could be due to a puncture or a slow leak due to a cracked rim or faulty valve. Most modern cars come equipped with a tyre pressure monitoring system (TPMS), when it detects a drop in air pressure it will illuminate. What should I do if it comes on?ĭriving at motorway speeds for at least 30 minutes will give the system time to burn off the excess soot in the filter, if this doesn’t fix the issue then you should book your car in for a service. Diesel Particulate Filter (DPF) What does it mean?ĭiesel cars have a filter installed in the exhaust system to reduce harmful emissions, this can get clogged up and cause the DPF warning light to illuminate. You can continue to drive until you reach a service station, if the car struggled to turn over the last time you started it you should avoid switching it off until you can stop in a secure location.Īvoid using auxiliary systems like the radio and electric windows if you suspect that your battery is flat or not charging. You may simply need a fresh battery, but it could also be a problem with the alternator (this charges the battery while driving), or your wiring. Your car’s battery or charging system may be faulty. Have the car towed to a service centre even if the brakes feel fine. You should avoid braking hard or driving at higher speeds until you can find a safe place to stop. The brake pedal may feel spongy or hard, depending on the problem. The brake system warning light can come on for reasons such as low brake fluid or damaged brake lines. ![]() If the oil level keeps dropping regularly you will need to book your car in for a service to diagnose the issue. Older cars will have a dipstick which will show where the oil level is at, on newer cars you will be able to check the level on the infotainment system or trip computer. Stop at your earliest convenience and top up the oil. This can happen if the oil pump is damaged but most likely it could just be using a bit of oil and requires a top up. The oil level in your car is below the required level. Never driver for extended periods while the car is overheating as this will blow the head gasket and potentially damage the internals. Do not attempt to open the radiator or expansion tank cap while the car is hot. Pull over to the side of the road as soon as it is safe to do so and turn off the car. An overheating engine could be connected to a faulty water pump, a blocked coolant hose or broken radiator, while low coolant could be connected to a leak. Your car’s engine is running hot, or your coolant level is too low. ![]() Engine Temperature/coolant level What does it mean? You can sometimes reset the warning light by turning off the car, waiting 30 seconds and then turning it on again, but you should still get the car looked at as a matter of urgency. Our guide to the engine management light has full details, as does our detailed lowdown on limp mode. In some cases, you may experience reduced power, often referred to as ‘limp mode’. This warning could come on for a number of reasons ranging from minor (sensor malfunction) to rather serious (damaged electrical or mechanical components). In this article we will look into what the various car dashboard warning signs mean and what to do if one of them lights up in your car. Green colours tend to indicate that things are working correctly, amber/yellow colours show that something needs to be attended to sooner than later, while red colours denote a problem that needs to be addressed immediately. Those colourful hieroglyphics on your dashboard are there to let you know if something isn’t functioning correctly, the severity of which can be gauged by the colour of the symbol. Modern cars are complex machines with myriad built-in monitoring systems to ensure that things keep running smoothly. Want a hand interpreting the various dashboard warning lights that can appear on a car? Our guide has you covered ![]()
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