Carbon monoxide is an odourless, colourless, deadly gas. If your vehicle has a CO sensor and this warning appears, there is a dangerous concentration of CO inside the cabin.
🚗 Can You Continue Driving?
No — exit the vehicle immediately with windows open.
🔧 Repair Difficulty
Medium
⚠️ Possible Causes
Exhaust system leak
cracked exhaust manifold
failed catalytic converter
driving with tailgate/boot open (SUVs)
blocked exhaust
✅ Recommended Actions
1Open all windows immediately.
2Stop the vehicle as soon as safely possible.
3Exit the vehicle.
4Do not re-enter until the source is identified and fixed.
5Seek medical attention if feeling unwell.
🚗 Common in These Vehicles
Not specified
Related Symbols
Check Engine Light
One of the most common warning lights — can indicate many different issues.
Attention RequiredEngine Temperature Warning
Engine is overheating. Stop driving immediately to prevent severe damage.
Immediate ActionOil Pressure Warning
Critical low oil pressure. Stop the engine immediately.
Immediate ActionPower Steering Warning
Power steering system fault. Steering will require more effort.
Attention Required