Electric Parking Brake (EPB)

Electric Parking Brake (EPB)







The Porsche Panamera is the first Porsche model ever to feature an electrically operated parking brake, which can be controlled conveniently using a switch at the left of the steering wheel. The electric parking brake can be activated manually using this switch and deactivated by pressing the footbrake (and clutch pedal). It is also released automatically following manual activation when the driver's erator pedal.







Functions

Activating when the vehicle is stationary

Conditions:
- Vehicle speed less than 1.5 mph (2.2 km/h)
- At least one valid wheel signal per axle
- Press switch

Display
- Function light comes on in the instrument cluster and on the switch

Emergency Stop
If at least one valid wheel signal is not available on each axle, the electric parking brake can be clamped under the following conditions and the vehicle is stopped safely:
- Ignition off
- Switch pressed for longer than 10 seconds

Releasing when the vehicle is stationary

Conditions:
- Ignition on
- Brake pedal (also clutch pedal in vehicles with manual transmission) pressed
- Pull switch Display:
- Function light goes out (on instrument cluster and switch)

Automatic electric parking brake release when driver's intention to drive off is detected (Drive Off Assistant)

Conditions:
- Driver's intention to drive off detected (Porsche Doppelkupplung (PDK) = selector lever in position D or R, manual transmission = clutch pressed)
- Gradient angle greater than 5°
- Driver's seat belt fastened
- Driver's door closed

Display:
- Function light goes out (on instrument cluster and switch)

NOTE: If the driver's door is not closed or the driver's seat belt is not fastened, the electric parking brake will not be released automatically when the driver attempts to drive off. The message "Release electric parking brake" appears on the multi-function display in the instrument panel. The Brake warning light on the instrument panel and the indicator light on the switch start to flash. The parking brake must be released manually.

Emergency braking - vehicle deceleration of 0.8 g

Conditions:
- Vehicle speed greater than 2 mph (3.5 km/h)
- One valid wheel signal per axle
- Press switch continuously

Display:
- Function light flashes (instrument cluster and switch)
- Warning sounds
- "Emergency braking" message in instrument cluster

Special Functions
- TUV mode, automatic activation when vehicle rolling is detected
- Bedding in the pads, activated using the PIWIS Tester
- Calibration of the system, activated using the PIWIS Tester
- Driving to assembly position, activated using the PIWIS Tester