General Information: Activation

The following conditions must be fulfilled to switch the "stand by" function on:

• Driver wearing seat belt
• Engine running
• Driver door closed
• ESP and electromechanical parking brake without malfunction.

The -AUTO HOLD- Button -E540- -B- in the center console activates this function.

Fig 1: Identifying -AUTO HOLD- Button

Courtesy of AUDI OF AMERICA, LLC

The switch indicates the operating conditions.

• Deactivated - the LED in the switch is off.
• Stand by - the LED inside the switch is on.
• Active - the LED in the switch is on and the instrument cluster display shows a green "P".

Braking function is only transferred from ESP to the electromechanical parking brake if the "green P" in the instrument cluster is visible and if:

• the solenoid valves in ESP have reached a temperature of 200°C
• the driver door is opened
• the driver seat belt is unlatched
• the engine is stopped
• the ignition is switched off
• the brake pedal or gas pedal are pressed.
• The -AUTO HOLD- Button -E540- is operating without pressing the brake pedal.