16.09.2025

Car Dashboard Warning Lights: Meaning and Guide

What Do Dashboard Warning Lights Mean?
Decoding Car Indicator Symbols

 

While driving, different warning lights may appear on your car’s dashboard. Many of them are not just reminders but actual alerts about potential malfunctions. Ignoring these signals can lead to costly repairs or even dangerous situations. Let’s break down the most important indicators and their meanings.

 

1. Check Engine
A yellow engine-shaped light. Indicates issues with the engine, fuel system, or exhaust. If it lights up, you should run a diagnostic check.

2. Oil Pressure (Oil Can Icon)
A red oil can symbol warns of low oil level or pressure. Driving in this condition is risky and can cause severe engine damage.

3. Battery Warning
A red battery icon signals problems with charging. The cause may be the alternator, belt, or the battery itself. The car could stall on the road.

4. Engine Temperature
A red thermometer icon means the engine is overheating. A blue light indicates it’s running too cold. Check the coolant level immediately.

5. ABS (Anti-lock Braking System)
A yellow “ABS” light shows a fault in the anti-lock braking system. This may reduce braking efficiency on slippery roads.

6. Airbag Warning
A red symbol of a person with a circle (airbag). This means the airbags may not deploy in the event of an accident.

7. Brake Warning
A red exclamation mark or the word “BRAKE.” Indicates low brake fluid level or other brake system problems.

8. TPMS (Tire Pressure Monitoring System)
A yellow horseshoe-shaped icon with an exclamation mark. Alerts you to low tire pressure. Check and inflate the tires.

9. ESP / ESC (Stability Control System)
A yellow car with squiggly lines. Shows that the stability control system is off or faulty. Driving on slippery roads becomes more dangerous.

10. Check Fuel Cap
The “Check fuel cap” message indicates a problem with tank sealing. Sometimes it’s just a loose cap, but it may also point to an EVAP system fault.

 

Conclusion: Dashboard indicators are not just suggestions but real warnings. If a warning light comes on, don’t ignore it — consult a mechanic promptly. This will help save money and keep you safe on the road.