Parking Brake, Checking

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

Pay attention to the instructions on the test stand screen.

Activating >>T U V mode<< :

The seat belt is buckled.
Rear axle in the one-axle roller test stand
The engine is off and the ignition is on.
Auto Hold is off.
The front wheels must be stationary.
The rear wheel must rotate for at least 5 seconds non-stop between 2.5 and 9 km/h (1.6 and 5.6 mph)

>>T U V mode<< is indicated when the yellow Electric Parking Brake Malfunction Indicator Lamp -K214- is displayed.

-- The yellow electro-mechanical parking brake symbol with a line through it appears in the instrument cluster. Refer to the appropriate Service Information; Instruments and Indicator Lamps.

TIP:

The electromechanical parking brake does not lock all the way in the >>T U V mode<< immediately.

Pressing the Electromechanical Parking Brake Button -E538- three to four times in a row gradually increases the tension force.

Operating the Electromechanical Parking Brake Button -E538- a fifth time loosens the electromechanical parking brake.

-- Start the motor and on vehicles with vacuum brake booster wait approximately 5 seconds until there is sufficient pressure built.

Ending >>T U V mode<< :

Front wheels, speed greater than 0 km/h (0 mph)
Rear wheels, speed less than 2.5 km/h (1.6 mph) or greater than 9 km/h (5.6 mph)
Ignition off.