What 7 Common Warning Lights Really Mean

If you’ve ever felt a wave of panic after a symbol lights up on your dashboard, you’re not alone. Decoding the Dashboard: What 7 Common Warning Lights Really Mean can help you understand what your car is trying to tell you — and which warnings mean you should pull over immediately.
Why Dashboard Warning Lights Matter
Your dashboard is essentially your car’s internal messaging system. Modern vehicles monitor dozens of components, and when something drifts outside the safe range, a warning light turns on to alert you. Knowing what these symbols mean can save you money, prevent breakdowns, and keep you safe on the road.
The Seven Most Common Warning Lights Explained
1. Check Engine Light
Often the most worrying, this light indicates a problem with the engine or emissions system. It could be anything from a loose fuel cap to a failing sensor. If it’s flashing, stop driving immediately.
2. Oil Pressure Warning
Low oil pressure means your engine isn’t being properly lubricated. Ignoring this light risks severe engine damage, so pull over and switch the engine off as soon as it appears.
3. Battery/Charging Warning
If this light stays on, your battery or alternator may not be charging correctly. Your car could lose power unexpectedly, so it’s best to get this checked quickly.
4. Brake System Warning
This may indicate low brake fluid, worn pads, or an issue with the anti-lock braking system. If the light remains on, avoid driving unless absolutely necessary.
5. Tyre Pressure Monitoring Light
This light means one or more tyres have lost pressure. Low tyre pressure reduces fuel efficiency and increases the chance of a blowout.
6. Coolant Temperature Warning
If your engine is overheating, this light will appear. Pull over, stop the engine, and allow it to cool before checking coolant levels.
7. Airbag Warning Light
This signals a fault in the airbag system, meaning they could fail to deploy in an accident. It’s not an emergency, but it should be fixed soon.
What to Do When a Warning Light Appears
If a dashboard light comes on, stay calm and assess whether it’s urgent. Red lights usually require immediate attention, while amber lights indicate something that needs checking soon. Always refer to your vehicle manual for guidance.
Rooster: Check Your Car’s Health in Seconds
The Rooster app helps you stay in control with tools like MOT history, mileage reports, vehicle valuation, service reminders, and breakdown cover from just £2.99.
Thanks for reading What 7 Common Warning Lights Really Mean. Download the Rooster app today and stay one step ahead of warning lights.
