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 | |
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Electro-mechanical parking brake link► |
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Cooling system link► |
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Engine oil pressure link► |
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Alternator link► |
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|
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|
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Steering lock link► |
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Engine stopped while vehicle is moving link► |
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Gearbox link► |
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Bonnet link► |
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Adaptive cruise control* link► |
|
Emergency assist* link► | |
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AdBlue* link► |
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AdBlue* link► |
 | e-tron: System warning* link► |
 | |
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e-tron: Charging system* link► |
Yellow indicator lamps | |
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|
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|
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|
     |
Electronic stabilisation control (ESC) link► |
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|
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|
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Brake pads link► |
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Electro-mechanical parking brake link► |
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Hill hold assist link► |
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|
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|
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Engine management* link► |
|
Engine management* link► |
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Engine management* link► |
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|
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Diesel particulate filter* link► |
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Engine speed governing* link► |
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Engine oil level (MIN)* link► |
|
Engine oil sensor link► | |
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Engine warm-up requested* link► |
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Battery charge link► |
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Fuel tank system link► |
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Washer fluid level link► |
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Windscreen wipers link► |
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Remote control key* link► |
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Driver s door* link► |
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Battery in remote control key link► |
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Bulb monitor* link► |
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Headlight range control link► |
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Adaptive light* link► |
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Light sensor/rain sensor* link► |
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|
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Steering lock link► |
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Engine start system link► |
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Electro-mechanical power steering link► |
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Suspension control* link► |
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Towing bracket* link► |
|
Soft top* link► | |
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Active lane assist* link► |
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Side assist* link► |
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Pre sense* link► |
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AdBlue* link► |
 |
AdBlue* link► |
| e-tron: System warning* link► |
 | |
 | |
 | |
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e-tron: Charging system* link► |
Further indicator lamps | |
 | Turn signals link► |
 | |
 | Trailer turn signals* link► |
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|
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Cruise control system* link► |
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Adaptive cruise control* link► |
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Adaptive cruise control* link► |
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Adaptive cruise control* link► |
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Adaptive cruise control* link► |
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Active lane assist* link► |
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Hold assist* link► |
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Start/stop system* link► |
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Start/stop system* link► |
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Convenience key* link► |
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Engine start system link► |
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Gearbox link► |
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Electro-mechanical parking brake link► |
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Electro-mechanical parking brake link► |
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Hold assist* link► |
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Hill hold assist link► |
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|
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|
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Child lock (electric)* link► |
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Auxiliary heating / ventilation* link► |
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AdBlue* link► |
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Rest recommendation* link► |
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Speed warning function* link► |
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Cruise control system* link► |
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Park assist* link► |
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Park assist* link► |
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Adaptive cruise control* link► |
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Adaptive cruise control* link► |
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Active lane assist* link► |
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Side assist* link► |
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Pre sense* link► |
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Camera-based traffic sign recognition* link► |
 | Main beam assist* link► |
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Main beam headlights link► |
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e-tron: Electric drive system activation* link► |
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e-tron: Electric drive system activation* link► |
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e-tron: Charging system* link► |
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e-tron: Charging system* link► |
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e-tron: Combustion engine* link► |
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e-tron: Fuel tank system* link► |
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e-tron: Charging system* link► |
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g-tron: Natural gas mode*
link► |