Car Warning Lights Decoder

A light appears on your dashboard. Is it "book a service next month" or "pull over right now"? This app tells you in seconds.

49 dashboard warning lights explained in plain English, organised by urgency, working entirely offline.

ORGANISED BY WHAT YOU SHOULD DO
• Critical - stop now: oil pressure, overheating, charging, brake system
• Engine & powertrain: check engine, DPF, glow plug, AdBlue, transmission
• Braking & stability: ABS, ESP, traction control, pad wear
• Tyres & suspension: TPMS, and the difference between low pressure and a failed sensor
• Lighting, fluids, doors and keys
• Hybrid & electric: turtle mode, charging faults, EV ready
• Driver assistance: lane keep, blind spot, adaptive cruise, AEB

MORE THAN A SYMBOL CHART
• What the colour actually means - red, amber, green, blue
• Why a flashing check engine light is far more urgent than a steady one
• What to check yourself before paying for diagnostics
• What two lights appearing together usually means
• Warning lights that appear after a battery change, and why most are not real faults
• Reading OBD-II fault codes yourself

BUILT FOR THE ROADSIDE
• Works completely offline - useful where signal is worst
• Search by symptom or symbol
• Save the lights relevant to your car
• No account, no sign-up

Note: symbols vary between manufacturers. Your owner's manual is always the final authority for your specific vehicle.

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