Audi TT Coupé Controls and... Instruments an...  Warning and...
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.
Red warning lamps
Brake system
link
Electro-mechanical parking brake
link
Cooling system
link
Engine oil pressure
link
Alternator
link
Front seat belt
link
Electro-mechanical power steering
link
Steering lock
link
Central warning/indicator lamp
link
Engine start system
link
Gearbox malfunction
link
Rear spoiler
link
Yellow indicator lamps
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
Tyre pressure loss indicator
link
Tyre pressure loss indicator
link
Engine management
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
Windscreen wipers
link
Remote control key
link
Battery in remote control key
link
Bulb monitor*
link
Headlight range control
link
Adaptive light*
link
Light sensor/rain sensor*
link
Gearbox
link
Steering lock
link
Engine start system
link
Central warning/indicator lamp
link
Electro-mechanical power steering
link
Suspension control*
link
Rear spoiler
link
Speed warning function*
link
Electro-mechanical power steering
link
Further indicator lamps
Turn signals
link
Cruise control system*
link
Active lane assist*
link
Hold assist*
Speed limiter*
link
Start/stop system*
link
Start/stop system*
link
Convenience key
link
Park assist*
link
Park assist*
link
Electro-mechanical parking brake
link
Active lane assist*
link
Audi side assist*
link
Gearbox
link
Electro-mechanical parking brake
link
Camera-based traffic sign recognition*
link
Rear seat belt
link
Rear seat belt
link
Main beam assist*
link
Speed limiter*
link
Main beam headlights
link, link

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