Audi A4 Owners & Service Manuals

Audi A4: Coolant temperature display

Applies to: vehicles with a coolant temperature indicator

The coolant temperature display (9) only functions when the ignition is switched on.

To reduce the risk of engine damage, please observe the following notes about the temperature ranges.

Cold range

If only the LEDs at the bottom of the gauge turn on, the engine has not reached operating temperature yet. Avoid high engine speeds, full acceleration, and heavy engine loads.

Normal range

The engine has reached its operating temperature once the LEDs up to the center of the gauge turn on. If the indicator light in the instrument cluster display turns on, the coolant temperature is too high.

Note

  • Auxiliary headlights and other accessories in front of the air intake impair the cooling effect of the coolant. This increases the risk of the engine overheating during high outside temperatures and heavy engine load.
  • The front spoiler also helps to distribute cooling air correctly while driving. If the spoiler is damaged, the cooling effect will be impaired and the risk of the engine overheating will increase. See an authorized Audi dealer or authorized Audi Service Facility for assistance.

    READ NEXT:

     Tachometer

    The tachometer (1) displays the engine speed in revolutions per minute (RPM). The beginning of the red zone in the tachometer indicates the maximum permissible engine speed for all gears once the engi

     Touch display

     General touch display operation

    General information Applies to: touch display The center display is a touchscreen. Operation is very similar to operating a smartphone. Tips Certain gestures are not available in every menu. Pressing

    SEE MORE:

     Indicator lights overview

    Description The indicator lights in the instrument cluster blink or turn on. They indicate functions or malfunctions. Some warning and indicator lights turn on when you switch the ignition on and must turn off when the drive system is switched on or while driving. With some indicator lights, mess

     General information

    Park the vehicle as far as possible from moving traffic in the event of a breakdown. In the event of a flat tire, park the vehicle on a level surface. If you are on a steep hill, be especially careful. Set the parking brake. Switch the emergency flashers on. Have the passengers exit the vehi

    © 2019-2023 Copyright www.audia4b9.com