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► |
 | Cooling system link► |
 | Engine oil pressure link► |
 | Engine oil level (MIN)* link► |
 | Alternator link► |
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 | Steering lock link► |
 | Engine start system link► |
 | Gearbox link► |
 | Bonnet link► |
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 | Traffic jam assist* link► |
 | Air suspension* link► |
 | Night vision assist* link► |
 | Night vision assist* link► |
 | AdBlue* link► |
 | AdBlue* link► |
 | e-tron: System warning* link► |
Yellow indicator lamps | |
 | Central indicator lamp link► |
 | Electronic stabilisation control (ESC) link► |
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     | Electronic stabilisation control (ESC) link► |
 | Brake system link► |
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 | Brake pads link► |
 | Electro-mechanical parking brake link► |
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   | |
 | Engine management link► |
| e-tron: System warning* link► |
 | Engine management system (diesel engines) link► |
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 | Diesel particulate filter* link► |
 | Engine speed governing link► |
 | Engine oil level (MIN)* link► |
 | Engine oil level (MAX) link► |
 | Engine oil sensor link► |
 | Engine warm-up requested link► |
 | Battery charge link► |
 | Fuel tank system link► |
| e-tron: Fuel tank system* link► |
 | Washer fluid level link► |
 | Windscreen wipers link► |
 | Remote control key link► |
 | Driver s door link► |
 | Battery in remote control key link► |
 | Bulb monitor link► |
 | Headlight range control link► |
 | Adaptive light* link► |
 | Light sensor/rain sensor link► |
 | Active lane assist* link► |
 | Audi side assist* link► |
 | Audi pre sense* link► |
 | Night vision assist* link► |
 | Parking aid* link► |
 | Gearbox link► |
 | Steering lock link► |
 | Engine start system link► |
 | Electro-mechanical power steering, all-wheel steering* link► |
 | Air suspension* link► |
 | Air suspension* link► |
 | Electro-mechanical active roll stabilisation* link► |
 | Sport differential* link► |
 | Towing bracket* link► |
 | Backrest* link► |
 | Emergency call function* link► |
 | AdBlue* link► |
 | AdBlue* link► |
 | e-tron: Power output* link► |
 | e-tron: Charging system* link► |
Further indicator lamps | |
  | Turn signals link► |
 | Trailer turn signals* link► |
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 | Cruise control system* link► |
 | Speed limiter* link► |
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 | Adaptive cruise control* link► |
 | Adaptive cruise control* link► |
 | Adaptive cruise control* link► |
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 | Adaptive cruise control* link► |
 | Traffic jam assist* link► |
 | Active lane assist* link► |
 | Predictive efficiency assist* link► |
km/h | Predictive efficiency assist* link► |
 | Predictive efficiency assist* link► |
 | Predictive efficiency assist* link► |
 | Predictive efficiency assist* link► |
 | Predictive efficiency assist* link► |
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 | Downhill assist function link► |
 | e-tron: Electric drive system activation* link► |
 | Start/stop system* link► |
 | Start/stop system* link► |
 | Remote control key link► |
 | AdBlue* link► |
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 | Gearbox link► |
 | Air suspension* link► |
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 | Traffic jam assist* link► |
 | Audi pre sense* link► |
 | Electro-mechanical parking brake link► |
 | Hold assist* link► |
 | Downhill assist function link► |
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 | Child lock link► |
 | Rest recommendation* link► |
 | Speed warning function* link► |
 | Speed limiter* link► |
 | Active lane assist* link► |
 | Audi side assist* link► |
 | Camera-based traffic sign recognition* link► |
 | Night vision assist* link► |
 | e-tron: Fuel tank system* link► |
 | e-tron: Charging system* link► |
 | e-tron: Electric drive system activation* link► |
 | e-tron: Electric drive system activation* link► |
 | Main beam assist* link► |
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