Credit: Luke Jen (Pexels)
Modern vehicles are equipped with a range of warning lights designed to alert drivers to potential issues with their car. These lights follow a traffic light system to indicate their severity:
- Red: A serious and potentially dangerous problem that requires immediate attention. Stop driving as soon as it is safe to do so and seek professional help.
- Yellow/Orange: A less urgent issue that still requires attention. Drive with caution and have it checked as soon as possible.
- Green/White/Blue: Information lights indicating that a system is active and functioning correctly.
If a warning light appears on your dashboard and remains on after starting the car, it could indicate a problem that needs to be addressed. Below are some of the most common warning lights and what they mean.
Common Warning Lights
Engine Management Light
The engine management light (EML) or check engine light signals an issue with the engine or its emissions system. While it may indicate a minor fault, such as a loose wire, it could also be linked to a more serious mechanical problem.
- Can I drive with this light on? - You should have your car inspected as soon as possible. Ignoring this light could lead to further damage and expensive repairs.
Battery Warning Light
This light suggests an issue with the car’s electrical system, potentially due to a faulty alternator, damaged wiring, or a failing battery.
- Can I drive with this light on? - It is not advisable to continue driving as the battery may stop charging, leading to a breakdown.
Brake Warning Light
This light indicates a potential problem with the braking system, such as low brake fluid or worn brake pads. If the ABS warning light is also on, the braking system may not function properly.
- Can I drive with this light on? - No, your brakes are a critical safety feature. Pull over as soon as it is safe and seek assistance.
Coolant Level Warning Light
A yellow coolant warning light means that coolant levels are low and should be topped up. This fluid prevents the engine from overheating.
- Can I drive with this light on? - No, you should stop and top up coolant levels immediately. Driving without sufficient coolant can cause severe engine damage.
Airbag Warning Light
This light indicates a fault in the airbag system. If not addressed, the airbags may fail to deploy in an accident or could deploy unexpectedly.
- Can I drive with this light on? - No, you should have the airbag system checked immediately.
Power Steering Warning Light
A power steering warning light suggests a fault with the steering system, which could make it difficult to manoeuvre the vehicle.
- Can I drive with this light on? - It is not recommended. If steering becomes difficult, driving could be dangerous.
Diesel Particulate Filter (DPF) Warning Light
This light is found on diesel vehicles and indicates a blockage in the particulate filter, which can impact emissions and performance.
- Can I drive with this light on? - You should drive at a sustained speed on a motorway or dual carriageway to allow the filter to regenerate. If the light remains on, seek professional help.
Engine Temperature Warning Light
If the red engine temperature light appears, the engine is overheating, possibly due to low coolant levels or a mechanical failure.
- Can I drive with this light on? - No, stop the car immediately. Driving with an overheating engine could result in irreparable damage.
Oil Warning Light
This light signals low oil pressure or high oil temperature, both of which can cause severe engine damage.
- Can I drive with this light on? - No, pull over immediately, check the oil level, and top up if necessary. If the light persists, do not continue driving.
Low Tyre Pressure Warning Light
A yellow warning light for tyre pressure suggests that one or more tyres have insufficient pressure.
- Can I drive with this light on? - Check tyre pressures as soon as possible. Low pressure can affect handling and fuel efficiency.
ABS (Anti-lock Braking System) Warning Light
This light indicates a fault in the ABS, which prevents wheels from locking up during braking.
- Can I drive with this light on? - Yes, but drive cautiously and have the system checked as soon as possible.
Electronic Stability Programme (ESP) Warning Light
This light indicates an issue with the vehicle’s stability control system. If flashing, the system is active; if permanently on, there may be a fault.
- Can I drive with this light on? - Yes, but the system may not function correctly in adverse conditions. Have it inspected soon.
Brake Pad Warning Light
This warning suggests that the brake pads are wearing thin and should be replaced soon.
- Can I drive with this light on? - Yes, but you should book an inspection and replace the brake pads as soon as possible.
How to Reset Car Warning Lights
If a warning light remains on after an issue has been resolved, try turning the car off and on again. If this does not work, disconnecting and reconnecting the battery may help. If the light persists, consult a professional mechanic.
Understanding your dashboard warning lights is essential for maintaining your vehicle’s safety and performance. If you notice any of these lights, act quickly to prevent further damage and ensure a smooth driving experience.
Please note, WeBuyPrestigeCar cannot buy any cars that display warning lights.
