When you switch on the ignition, some of the warning and indicator lamps light up briefly to show that the associated systems are working properly. These systems are marked with a 
in the following tables. If one of these warning/indicator lamps does not light up, there is a fault in the associated system.
in the following tables. If one of these warning/indicator lamps does not light up, there is a fault in the associated system.Red warning lamps
 |
Brake system |
Link |
 |
Electro-mechanical parking brake |
Link |
 |
Tyre pressure* |
Link |
 |
Airbags and belt tensioners |
Link |
 |
Seat belt |
Link |
 |
Alternator |
Link |
 |
Engine oil pressure |
Link |
 |
Engine oil level |
Link |
 |
Cooling system |
Link |
 |
Steering lock |
Link |
 |
Ignition lock |
Link |
 |
Speed warning function* |
Link |
 |
Speed warning function* |
Link |
 |
adaptive cruise control* |
Link |
Yellow indicator lamps
 |
Electronic stabilisation program (ESP) |
Link |
 |
Anti-lock brake system (ABS) |
Link |
 |
Brake pads |
Link |
 |
Electro-mechanical parking brake |
Link |
 |
Tyre pressure* |
Link |
| TPMS |
Tyre pressure* |
Link |
   |
Engine management system (petrol engines) |
Link |
 |
Engine management system (diesel engines) |
Link |
 |
Emission control system |
Link |
 |
Diesel particulate filter* |
Link |
 |
Engine speed governing* |
Link |
 |
Engine oil level |
Link |
 |
Engine oil sensor |
Link |
 |
Battery charge |
Link |
 |
Fuel tank system |
Link |
 |
Washer fluid level* |
Link |
 |
Convenience key* |
Link |
 |
Battery in remote control key |
Link |
 |
Bulb monitor* |
Link |
 |
Dynamic headlight range control* |
Link |
 |
adaptive light* |
Link |
 |
Light sensor/rain sensor* |
Link |
 |
Audi lane assist* |
Link |
 |
Suspension control* |
Link |
 |
Ignition lock |
Link |
 |
Windscreen wipers |
Link |
 |
Dynamic steering* |
Link |
 |
Towing bracket* |
Link |
 |
Gearbox* |
Link |
 |
Gearbox* |
Link |
