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Cayenne

2011-2012 Cayenne – Manual

2011-2012 Cayenne – Manual

Page: 192

ABS brake system (Anti-Lock Brake System)
ABS ensures:

– Full steering control
The vehicle remains steerable.

– Good driving stability
No skidding due to locked wheels.

– Optimum braking distance
Shorter stopping distance in most cases.

– Prevention of wheel locking
No flat spots on the tires.

Function
The decisive advantage of ABS lies in the driving stability and maneuverability of the vehicle in hazardous situations.

ABS prevents locking of the wheels during full braking, on almost all road surfaces, until just before the vehicle stops.

ABS begins to control the braking process as soon as a wheel shows a tendency to lock.

This controlled braking process is comparable with extremely rapid cadence braking.

The pulsating brake pedal and a "juddering noise" warn the driver to adapt his driving speed to the road conditions.

  • If full braking is necessary, fully depress the brake pedal during the whole braking operation, even though the pedal is pulsating. Do not reduce the braking pressure.

ABS warning light USA

ABS warning light Canada

If the ABS warning lights light up on the instrument panel and on the multi-purpose display of the instrument panel while the engine is running, ABS has switched off because of a fault.

In this case, the brake system will operate without lock prevention, as in vehicles without ABS.

  • Adapt your driving style to the changed braking behavior.
    The ABS must be checked immediately at your authorized Porsche dealer in order to prevent the occurrence of further faults with unpredictable consequences.

The ABS control unit is adjusted for the approved tire dimensions.

The use of tires with non-approved dimensions can lead to different wheel speeds, causing ABS to switch off.

Off-road ABS (ABS in the off-road driving program)
When the off-road driving program is active, an ABS configuration specially matched to off-road driving is activated automatically.

In the event of braking on loose ground, the permissible slip values for ABS braking are increased so that the off-road braking distance is reduced (wheels dig into the surface).

If the driver needs to steer, the off-road driving program is automatically switched off to maintain steerability.

HOLD function: Drive-Off Assistant, standstill management
The HOLD function, as an assistance function, assists the driver when stopping and driving off on upward slopes.

The vehicle is automatically prevented from rolling back away from the desired direction of travel. When the HOLD function is active, the indicator light on the instrument panel comes on.

Driving off with the Drive-Off Assistant on vehicles with manual transmission

  1. Hold the vehicle securely on the slope with the footbrake.
    The engine must be running.
  2. Press the clutch pedal fully.
  3. Engage a gear corresponding to the direction of travel up the slope (1st gear or reverse gear).
  4. Release the footbrake while keeping the clutch pedal pressed.
    The vehicle is held on the slope to facilitate driving off and prevent it from rolling back.
  5. Drive off as usual.
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