Engine cooling system Warning lights and what they mean
Red warning lights mean you should stop the car as soon as it's safe.
Yellow warning lights mean that action is required.
Green warning lights are for information only.
Switch off the engine immediately and do not drive any further.
Check the coolant level (refer to the owners manual or seek professional assistance).
Is the coolant level ok?Yes No
Add more coolant (refer to the owners manual or seek professional assistance).
Restart the engine.
Has the warning light gone out?Yes No
The overheating may be caused by a malfunction of the cooling system.
Please contact roadside assistance.