2009-2012 Boxster – Manual

2009-2012 Boxster – Manual

Page: 145

Selector-lever position R or D is flashing in the instrument cluster

  • Effects:
    There is no power transmission.
    The selector lever was engaged without pressing the footbrake or only the restricted driving programme is available when the "Transmission emergency run" message is displayed.

    Action required:
    Press the footbrake and engage the required selector-lever position again by moving the selector lever from P or N.
    If reverse gear fails:
    Please see the chapter "REDUCED DRIVING PROGRAM" on page 148.

If there is a fault in the transmission:
– The warning "Transmission emergency run" in white or red lettering or the warning "Transmission temperature too high" is
displayed on the on-board computer.
Please see the chapter "REDUCED DRIVING PROGRAM" on page 148.

  • Have the fault repaired immediately at an authorized Porsche dealer.

Selector lever positions
P – Parking lock

  • Engage parking lock only when vehicle is stationary.
    If selector-lever position P is flashing in the instrument cluster, the parking brake is not engaged. The vehicle can roll away.
    Engage selector-lever position P again by moving the selector lever out of R.
  • Engage parking lock after applying the handbrake and release it before releasing the handbrake.

The ignition key can be withdrawn only in selector lever position P.

R – Reverse gear

  • Select only if car is stationary and the brake is applied.

N – Neutral
Selector lever position N must be selected for towing or in car washes, for example.

  • Only select the desired position for driving off (D, M or R) when the engine is idling and the brake pedal is depressed.

D - Automatic selection mode
Select position D for "normal" driving. The gears are shifted automatically according to the accelerator position and speed.

Depending on the way the vehicle is driven (economical, comfortable or sporty driving style) and on the resistance (e.g. uphill), the gear-changing points are shifted towards higher or lower enginespeed ranges.

The accelerator position, driving speed, engine speed, longitudinal and lateral acceleration and the road profile all have an influence on the gearchanging characteristic.

Unwanted upward shifts, e.g. before bends, are prevented by swiftly releasing the accelerator pedal.

Depending on lateral acceleration, upward changes on bends are not made until the enginespeed limit is reached.

Under braking, and depending on the amount of deceleration, the PDK transmission changes down earlier.

For subsequent cornering, the right gear is engaged when pressure is applied to the brakes before the bend. The bend is taken in the right gear, and when you accelerate out of the bend you do not have to change down.

With a sporty driving style, downshifts are already initiated when the brake pedal is touched lightly. This further enhances a dynamic driving style.

The PDK transmission temporarily changes to the sportiest gear-changing map, i.e. to the highest possible gear-changing points, if the accelerator pedal is pressed quickly. The transmission accordingly shifts down immediately by one or two gears (temporary change-down).

7th gear is no longer engaged automatically at very high driving speeds, but can be selected manually as required.

Sport mode ("Sport" and "Sport Plus" modes) "Sport" mode activated:
The PDK transmission switches to a sporty gearchanging map and shortens the gear shifting times.

A sporty driving style is recognised more quickly and the gear-changing speeds are adapted to driving performance.

Deceleration downshifts are commenced earlier. Downshifts are already carried out in the case of slight decelerations, even at higher engine speeds.

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