See also:

24. Door Ajar
This light will turn on to indicate that one or more doors or the trunk may be ajar. ...

General failure indication
The warning light on the dial comes on when a failure is detected. ...

Additional checks
Every 1,000 km or before long journeys, check and top up if required: ❒ engine coolant fluid level; ❒ brake fluid level; ❒ windscreen washer fluid level; ❒ tyre pressur ...