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This feature enables you to stop the AudiTT if the main brake system should fail or if the pedal is obstructed.
To stop the AudiTT with the parking brake in an emergency, pull and hold the parking brake switch Fig. ►.
The brakes will be released immediately if you release the switch or press down the accelerator.
If you pull out and hold the parking brake switch at a road speed above about 3 km/h, this will initiate an emergency brake application. The brakes are then applied hydraulically at all four wheels. The effect is similar to heavy braking
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To prevent the emergency braking function from being used accidentally, a warning buzzer sounds when the switch is operated. The brakes are released immediately when you release the switch or press down the accelerator.
You should only use the emergency braking function in a real emergency, for example if the brake system were to fail or if the brake pedal were to be obstructed. If you use the emergency braking function by activating the parking brake switch, this has the same effect as heavy braking. Please remember that the ESC (and the integrated ABS, EDL and traction control functions) is still subject to certain physical limits. In a corner or in bad road or weather conditions an emergency stop can cause the AudiTT to skid or lose steering control.