Dashboard Warning Lights

Oil pressure warning light An old-fashioned oil can, usually red Stop / do not drive Coolant temperature warning light A thermometer sitting in liquid, usually red Stop / do not drive Brake warning light An exclamation mark in a circle, or the word BRAKE, in red Stop / do not drive Battery / charging system light A battery shape with + and - terminals, usually red Stop / do not drive Power steering warning light A steering wheel, sometimes with an exclamation mark, amber or red Stop / do not drive Flashing check engine light The check engine light blinking on and off while you drive. Stop / do not drive Transmission temperature light A gear or cog with a thermometer, amber or red Stop / do not drive Check engine light An engine outline, amber — or flashing Get checked soon ABS warning light The letters ABS in a circle, amber Get checked soon Tire pressure light A horseshoe shape with an exclamation mark, amber Get checked soon Airbag / SRS light A person with a circle in front of them, red or amber Get checked soon Electrical system warning A general electrical fault symbol or message. Get checked soon Electronic parking brake warning The letter P in a circle, often flashing, or a brake system message. Get checked soon Stability control (ESC) warning A car with wavy skid lines, steady on rather than flashing. Get checked soon AWD system warning AWD or a drivetrain symbol lit on the dash. Get checked soon Transmission warning light A gear symbol, sometimes with an exclamation mark or a thermometer. Get checked soon Forward collision warning light A car with radiating lines toward a car ahead, often amber. Get checked soon Automatic emergency braking warning A car with a brake or exclamation symbol and radiating lines. Get checked soon Hybrid system warning A car with HYBRID or an exclamation in a car outline, sometimes red. Get checked soon EV system warning An EV or car-with-plug symbol showing a fault. Get checked soon Regenerative braking warning A brake or battery symbol indicating reduced regeneration. Get checked soon Diesel particulate filter (DPF) light A dotted box or exhaust-filter symbol on a diesel. Get checked soon DEF / AdBlue warning (diesel) An AdBlue or DEF symbol, often with a countdown message. Get checked soon Traction or stability control light A car with squiggly lines beneath it, amber Generally OK / maintenance Tire pressure system fault The TPMS symbol flashing then staying on, rather than glowing steadily. Generally OK / maintenance 4WD system warning A 4WD or 4x4 symbol, sometimes flashing. Generally OK / maintenance Immobilizer / security light A car outline with a key or a padlock, often flashing. Generally OK / maintenance Key not detected warning A message reading Key Not Detected, No Key, or a key symbol with a slash. Generally OK / maintenance Lane departure warning light A car drifting over lane lines, sometimes amber. Generally OK / maintenance Lane keep assist light A car between lane lines with steering arrows. Generally OK / maintenance Blind spot monitoring light A car with waves or a fault message for the blind spot system. Generally OK / maintenance Adaptive cruise control warning A cruise-control symbol with a fault or unavailable message. Generally OK / maintenance Parking sensor warning A car with sensor waves, or a Park Assist Unavailable message. Generally OK / maintenance EV charging warning A plug or charging symbol with a fault indication. Generally OK / maintenance Glow plug light (diesel) A coil or squiggle symbol, amber, on a diesel. Generally OK / maintenance Maintenance required / service light A wrench symbol, or the words MAINT REQD or SERVICE. Generally OK / maintenance Slip indicator light A car with skid lines, usually flashing briefly. Generally OK / maintenance Low fuel light A fuel pump shape, amber Generally OK / maintenance