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►Audi A3 ►Controls and displays ►Instruments and warning/indicator lamps ◀Warning and indicator lamps
- Fig. 1 Instrument cluster: Display layout on vehicles with monochrome display (example)
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.Depending on the equipment fitted in your vehicle, the instrument cluster display is either monochrome or multi-coloured. On the monochrome display, the warning and indicator lamps -A- appear only in white Fig. 1. To inform you of the priority level of these warning/indicator lamps, the central warning/indicator lamp -C- 
/ 
lights up at the same time. Please read the corresponding explanation of the red and yellow symbols.
/ lights up at the same time. Please read the corresponding explanation of the red and yellow symbols.The following are examples of warning and indicator lamps as they might appear on the monochrome display:
 -A-
-C- |
Priority 1 (high priority)
See red warning lamps |
 -A-
-C- |
Priority 2 (medium priority)
See yellow indicator lamps |
 -A-
-- -C- |
Priority 3 (lower priority)
These indicator lamps are for informational purposes |
| Red warning lamps | |
|
Central warning/indicator lamp (observe additional information on the instrument cluster display) -C- Fig. 1 |
 |
Brake system
►Link |
 |
Electro-mechanical parking brake
►Link |
 |
Cooling system
►Link |
| or | |
 | |
| |
 |
Engine oil pressure
►Link |
| or | |
| |
| |
 |
Alternator
►Link |
| or | |
 | |
| |
 |
Front seat belt
►Link |
 |
Steering
►Link |
 |
Steering lock
►Link |
 |
Engine start system
►Link |
| or | |
 | |
| |
 |
Engine stopped while vehicle is moving
►Link |
| or | |
 | |
| |
 |
Gearbox malfunction
►Link |
| or | |
| |
| |
 |
Adaptive cruise control*
►Link |
 |
e-tron: System warning*
►Link |
 |
e-tron: Charging system*
►Link |
| Yellow indicator lamps | |
|
Central indicator lamp (observe additional information on the instrument cluster display) |
 |
Electronic stabilisation control (ESC)
►Link |
 |
Electronic stabilisation control (ESC)
►Link |
     |
Electronic stabilisation control (ESC)
►Link |
 |
Anti-lock brake system (ABS)
►Link |
 |
Safety systems
►Link |
 |
Brake pads
►Link |
 |
Electro-mechanical parking brake
►Link |
 |
Hill hold assist*
►Link |
| or | |
 | |
| |
 |
Tyre pressure loss indicator
►Link |
   |
Tyre pressure loss indicator
►Link |
 |
Suspension control*
►Link |
| or | |
 | |
| |
|
Engine management system (petrol engines)
►Link |
 |
Engine management system (diesel engines)
►Link |
 |
Emission control system
►Link |
 |
Diesel particulate filter*
►Link |
| or | |
 | |
| |
 |
Engine speed governing
►Link |
| or | |
 | |
| |
 |
Engine oil level (min.)
►Link |
| or | |
 | |
| |
 |
Engine oil sensor
►Link |
| or | |
 | |
| |
 |
Engine temperature
►Link |
| or | |
 | |
| |
 |
Battery charge
►Link |
| or | |
| |
| |
 |
Fuel tank system
Petrol/diesel engine: ►Link Natural gas/petrol engine: e-tron*: Also ►Link |
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Washer fluid level
►Link |
| or | |
 | |
 |
Windscreen wipers
►Link |
| or | |
| |
| |
 |
Engine start system
►Link |
| or | |
| |
| |
 |
Steering /steering lock
►Link |
 |
Steering lock
►Link |
 |
Convenience key
►Link |
| or | |
 | |
| |
 |
Convenience key
►Link |
 |
Battery in remote control key
►Link |
 |
Bulb monitor
►Link |
| or | |
 | |
| |
 |
Headlight range control*
►Link |
| or | |
 | |
| |
 |
Adaptive light*
►Link |
| or | |
 | |
| |
 |
Light sensor/rain sensor*
►Link |
| or | |
 | |
| |
 |
Active lane assist*
►Link |
 |
Gearbox
►Link |
| or | |
| |
| |
 |
Speed warning function*
►Link |
 |
e-tron: System warning*
►Link |
 |
e-tron: Charging system*
►Link |
 |
e-tron: Power output*
►Link, ►Link |
| Further indicator lamps | |
 |
Turn signals
►Link |
 | |
 |
Trailer turn signals*
►Link |
 |
Cruise control system*
►Link |
 |
Adaptive cruise control*
►Link |
 |
Adaptive cruise control*
►Link |
 |
Adaptive cruise control*
►Link |
 |
Active lane assist*
►Link |
 |
Hold assist*
►Link |
 |
Start/stop system*
►Link |
 |
Start/stop system*
►Link |
 |
g-tron: Natural gas mode* ►Link |
 |
e-tron: Electric drive system activation*
►Link |
 |
e-tron: Electric drive system activation*
►Link |
 |
e-tron: Charging system*
►Link |
 |
e-tron: Charging system*
►Link |
 |
e-tron: Combustion engine*
►Link |
 |
e-tron: Fuel tank system*
►Link |
 |
e-tron: Charging system*
►Link |
 |
Main beam headlights
►Link |
 |
Main beam assist*
►Link or Adaptive headlight range control ►Link |
 |
Convenience key
►Link |
 |
Park assist*
►Link |
 |
Park assist*
►Link |
 |
Electro-mechanical parking brake
►Link |
 |
Adaptive cruise control*
►Link |
 |
Active lane assist*
►Link |
 |
Audi side assist*
►Link |
|
Gearbox
►Link |
 |
Electro-mechanical parking brake
►Link |
 |
Camera-based traffic sign recognition*
►Link |
 |
Rest recommendation*
►Link |
 |
Child lock (electric)*
►Link |
 |
Auxiliary heating / ventilation*
►Link |
 |
Rear seat belt
►Link |
 |
Rear seat belt
►Link |