718

Cayenne

2017-2018 Macan – Manual

2017-2018 Macan – Manual

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Page: 226

Porsche Hill Control (PHC)

Porsche Hill Control (PHC) is an assistance system that helps the driver when driving slowly downhill, e.g. on steep slopes or on wintry mountain roads, both when driving forward and reversing.

The system limits the speed through targeted braking at all four wheels. ABS remains active to prevent the wheels from locking.

Reduced braking effect
A with all brakes, the braking effect is impaired on slippery surfaces (e.g. on icy roads or loose surfaces), which can lead to accidents.

  • Always adapt your driving style to the driving situation.

Using Porsche Hill Control (PHC)

Porsche Hill Control can only be used if the following prerequisites have been met:

  1. Porsche Hill Control (PHC) is switched on.
  2. The vehicle is not traveling at a speed of less than approx. 2 mph (3 km/h) and more than approx. 20 mph (30 km/h).
  3. The gradient must be at least approx. 12 %.
  4. Neither the brake nor the accelerator are used.

Switching on PHC

Fig. 172: Porsche Hill Control button


  • Press button .
    The light indicator on the button lights up.
    One of the following symbols will then appear on the multifunction display:

PHC readiness
The gray PHC symbol on the multifunction display indicates readiness.

PHC control active/desired speed
The set speed is displayed in orange under the PHC symbol, which has now turned white.


Information
The active system switches back to operational readiness if the gradient is less than approx. 6 %.


Switching off PHC

  • Press button again.
    The light indicator on the button goes out.

Changing speed

  1. PHC is on.
  • Press the brake or accelerator pedal.
    – or –
    If cruise control or adaptive cruise control is switched on, actuate the control stalk for cruise control or adaptive cruise control.

The new desired speed is stored when you release the brake or accelerator pedal and set the desired speed using the control stalk for cruise control or adaptive cruise control.

  1. Please see chapter "Cruise Control" on page 100.
  2. Please see chapter "Adaptive Cruise Control (ACC)" on page 38.
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