12 Dashboard Warning Lights Every Car Driver Must Know in 2026

1. Check Engine Light

Signals a problem with the engine or emissions system; it could be minor or serious.

Indicates low oil pressure; driving further may cause severe engine damage.

Shows an issue with the battery, alternator, or charging system.

Could mean low brake fluid, worn brake pads, or a braking system fault.

Indicates a problem with the anti-lock braking system; normal brakes may still work.

Warns the engine is overheating and should be stopped immediately.

Alerts you when one or more tires are under-inflated.

Signals a fault in the airbag or seatbelt pretensioner system.

Indicates low fuel level and reminds you to refuel soon.

Flashes when the system is active or stays on if there’s a fault.

Shows reduced or failed power steering assistance.

Warns when seat belts are not fastened for driver or passengers.