►Audi A3  ►Controls and displays  ►Instruments and warning/indicator lamps  ◀Warning and indicator lamps
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.
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.
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: ►Link
e-tron*:
Also ►Link

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

All images, logos and text are property of © Audi. This site has no relationship with the company Volkswagen - Audi Spain nor any of its affiliates worldwide. For more information.