2014 PORSCHE 911 TURBO transmission

Driving and Driving Safety 169
Static and fluttering
When the line-of-sight link between a transmitter and vehicle is blocked by large buildings or mountains, the radio sound may be accompanied with static or fluttering because of the characteristic of FM.
In a similar effect, a fluttering noise is sometimes heard when driving along a tree-lined road.
This static and fluttering can be reduced by adjusting the tone control for greater bass response until the disturbance has passed.
Multipath
Because of the reflecting characteristics of FM, direct and reflected signals may reach the antenna at the same time (multipath) and cancel each other out. As a vehicle moves through these electronic dead spots, the listener may hear a momentary flutter or loss of reception.
Station swapping
When two FM stations are close to each other, and an electronic dead spot, such as static or multipath area, interrupts the original signal, sometimes the stronger second signal will be selected automatically until the original one returns. This swapping can also occur as you drive away from the selected station and approach another station of a stronger signal.
Compact disk player
To avoid damage to compact disk player and disks.fUse only compact disks labeled as shown, having no dirt, damage or warpage.
fNever attempt to disassemble or oil any part of the player unit. Do not insert any object other than a disk into the slot. Remember there are no user-serviceable parts inside the compact disk player.fDo not allow the disk to sustain any fingerprints, scrapes or stickers on the surfaces. This may cause poor sound quality.Hold the disk only on the edge or center hole.fWhen not in use, take the disk out of the player, put the disk back into its case and store it away from dust, heat, damp and direct sunlight.Leaving the disk on the dashboard in the sun can damage the disk.fIf the disk gets dirty, clean the disk by wiping the surfaces from the center to the outside in a radial direction with a soft cloth. Do not use a conventional record cleaner or anti-static record preservative. Disk cleaners are available in audio stores.
Car Telephone and Aftermarket Alarms
Important legal and safety information regarding the use of cellular telephones
Some jurisdictions may prohibit the use of cellular telephones while driving a vehicle. Check the laws and regulations on the use of cellular telephones in the areas where you drive.
Looking away from the road or turning your attention away from your driving to operate a cell phone will sooner or later cause an accident. fDo not attempt to operate a hand-held cell phone while you are driving. Safety is more important than a phone call.
fLearn to operate the hands-free phone, if it is available, before you start driving. Then make use of the hands-free phone at all times.
It is essential to observe the telephone manufacturer’s instructions before operating the telephone.
Any portable telephone or radio transmitter which is used in a Porsche must be properly installed in accordance with the technical requirements of Porsche.
The transmission power must not exceed 10 W.
The devices must possess a type approval for your vehicle and have an “e” symbol.
If you should require equipment with transmission power values greater than 10 W, please consult your authorized Porsche dealer for this purpose. They are familiar with the technical requirements for installing devices of this kind.
The antennas for all radios and telephones with a transmitting antenna must be externally mounted.
The improper installation of radios or telephones or use of a radio or telephone with a transmitting antenna inside the car may cause the warning lights to come on.
Improper installation of such equipment can create a discharged battery or excessive current draw from added equipment.
NOTICE
Cell Phone UseDANGERh
14_991_Turbo_21.book Seite 169 Mittwoch, 9. April 2014 2:19 14

172 Driving and Driving Safety
Porsche Doppelkupplung (PDK)
Porsche Doppelkupplung (PDK) is a seven-speed transmission with an automatic and a manual selection mode.
In automatic selection mode (selector-lever position D), gear changing is automatic. You can change temporarily from automatic to manual mode using the shift buttons on the steering wheel.
In manual selection mode (selector-lever position M), you change gear using the shift buttons or shift paddles on the steering wheel or with the PDK selector lever.
You can change between selector-lever positions D and M as you wish while driving.
Information
fTake care not to operate the shift buttons on the steering wheel inadvertently in either automatic or manual mode, thereby triggering undesired gear changes.
Changing selector-lever position
The selector lever is blocked in the P position when the ignition is switched off.
When the ignition is switched on, the selector lever can be moved from position P and N only when the release button is pressed, and when the brake pedal is pressed.
Release button
The release button ( arrow) in the selector lever prevents the gear from being changed unintentionally.The release button must be pressed when shifting to position R or P.
Starting
The engine can be started only if the brake pedal is depressed and the selector lever is in position P or N.
Driving off
fOnly select the desired position for driving off ( D, M or R) when the engine is idling and the brake pedal is pressed.fSince the vehicle crawls when in gear, do not release the brake until you are ready to drive off.
Driving off on hills
The Drive-Off Assistant assists the driver when driving off on hills. The vehicle is held on the slope for a short time during the change from the brake pedal to the accelerator to facilitate driving off immediately after the brake is released.fPlease see the chapter “HOLD FUNCTION: DRIVE-OFF ASSISTANT, STANDSTILL MANAGEMENT” on page 184.
Stopping
fFor a brief stop, e.g. at traffic lights, leave the selector lever in drive position and hold the vehicle with the brake pedal.fDo not hold the vehicle on a slope using the accelerator. Use the brake pedal or the electric parking brake instead.fBefore leaving the vehicle, always apply the electric parking brake and move the selector lever to position P.
Parking
fGo easy on the accelerator!fWhen parking or maneuvering in a small space, control the speed by careful use of the footbrake.
14_991_Turbo_21.book Seite 172 Mittwoch, 9. April 2014 2:19 14

Driving and Driving Safety 173
Indicator for selector-lever position and engaged gear
When the engine is running, the display shows the selector-lever position and engaged gear.
If the selector lever is between two positions
Effects: – The corresponding selector-lever position in the instrument panel flashes and the warning “ Activate brake” or “Engage gear selector properly ” appears on the multi-function display .
Action required:fOperate the footbrake and engage the selector lever properly.
If the selector lever is inadvertently moved from P or N into a gear (due to a fault or improper use) without pressing the brake, this gear will also flash on the display and no power transmission will occur. fTo drive off, press the brake and move the selector lever from P or N into the required gear again.
Selector-lever position R or D flashes in the instrument panel
No power transmission occurs.
Effects: – The selector lever was engaged without the footbrake being depressed. – The selector lever was moved to R above the permissible limit speed.
Action required:fPress the footbrake and engage the required selector-lever position again from P or N. If reverse gear fails:fPlease see the chapter “LIMP-HOME MODE” on page 178.
Failure of the selector lever display on the instrument panel
Transm. failure Park vehicle safely
The warning “ Transm. failure Park vehicle safely ” is displayed in red on the multi-function display.
Effect: – No selector-lever position is displayed on the instrument panel.Vehicle can be driven only until it comes to a stop.
Action required:fIt is not possible to continue driving. Stop the vehicle immediately in a suitable place. Have the fault corrected at an authorized Porsche dealer. If the vehicle has to be towed:Please see the chapter “TOWING” on page 278.
If there is a fault in the transmission:
The warning “ Transm. fault Poss. no R gear Drive on poss. ” or “Drive temperature too high Reduce load ” appears on the multi-function display .fPlease see the chapter “LIMP-HOME MODE” on page 178.fHave the fault corrected immediately at an authorized Porsche dealer.
14_991_Turbo_21.book Seite 173 Mittwoch, 9. April 2014 2:19 14

174 Driving and Driving Safety
Selector-lever Positions
P – Parking lock
fEngage parking lock only when the vehicle is stationary.If selector-lever position P is flashing in the instrument panel, the parking lock is not engaged. The vehicle can roll away.Shift again from selector-lever position R to P.fActivate the electric parking brake and then engage the parking lock.If selector-lever position P is flashing in the instrument panel, the parking lock is not engaged. The vehicle can roll away.Shift again from selector-lever position R to P.
Vehicles without Porsche Entry & Drive: The ignition key can only be removed in selector- lever position P.
R – Reverse gear
fSelect only if the vehicle is stationary and the brake is applied.
N – Neutral
Selector-lever position N must be selected for towing or in car washes, for example.fOnly select the desired position for driving off ( D, M or R) when the engine is idling and the brake pedal is pressed.
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 engine-speed ranges.The accelerator position, driving speed, engine speed, longitudinal and lateral acceleration and the road profile all have an influence on the gear-changing characteristic.
Unwanted upshifts, e.g. when entering bends, are prevented by swiftly releasing the accelerator pedal.
Depending on lateral acceleration, upshifts on bends are not made until the engine-speed limit is reached.
When you brake, and depending on the amount of deceleration, the PDK transmission changes down earlier.For subsequent cornering, the correct 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 downshift).
The transmission no longer selects 7th gear at very high driving speeds.
However, if necessary, the gear can be selected manually.
Upshifts and downshifts are avoided as far as possible when PSM is active. In the case of high wheel slip when PSM is switched off, upshifts are prevented until slip is no longer detected.
Driving in coasting mode
Through attentive driving, fuel can be saved in coasting mode. The vehicle rolls with the engine disengaged and at idle speed without engine braking effect.
Preconditions for automatic coasting mode – Driving in selector lever position D – Coasting mode is switched on.Indicator light on the button is off.– Sport and Sport Plus modes are switched off– PSM is active– Cruise control is not active– Engine, transmission and battery are at operating temperature– Calm/economic driving style– Slight uphill or slight downhill gradientsfSlowly take your foot off the accelerator.
The engine is disengaged and runs at idle speed. The vehicle rolls with no engine braking effect. Coasting mode is recognizable by the idle speed indicated on the tachometer.
Information
In the case of a sporty driving or when swiftly releasing the accelerator pedal, coasting mode is suppressed to allow targeted use of the engine braking effect. On more pronounced uphill gradients, “coasting” is also prevented as the coasting phases are very short due to the gradient and no significant fuel savings can be achieved. On more pronounced downhill gradients, coasting
14_991_Turbo_21.book Seite 174 Mittwoch, 9. April 2014 2:19 14

Driving and Driving Safety 175
is suppressed because here, the vehicle does not slow down, despite the engine overrun torque and no fuel is consumed in this driving situation due to utilization of the overrun shut-off.
Ending coasting mode/utilizing engine braking effect
fPress the accelerator or brake pedalor Operate a shift paddle or a shift button or Shift gear using the selector lever.
Initiating coasting mode manually
– Driving in selector lever position D or driving in selector lever position M
When coasting mode is suppressed, e.g. in the case of sporty driving, sudden release of the accelerator pedal or excessively low engine temperature, coasting mode can be initiated manually.fTake your foot off the accelerator pedal and shift past the highest possible gear with the shift paddle, one of the shift buttons, or with the selector lever.
Switching coasting mode on and off using the Auto Start Stop button
Switching off
fPress button . The indicator light on the button lights up.Coasting mode is switched off and automatic stopping of the engine is suppressed.
Switching on
fPress button . The indicator light on the button goes out.Coasting mode is switched on and the engine is automatically stopped when the vehicle stops.
“Sport” mode activated
The PDK transmission switches to a sporty gear- changing map and shortens the shifting times.A sporty driving style is recognized more quickly and the gear-changing speeds are adapted to driving performance.
Braking downshifts are initiated earlier. Downshifts occur for small decelerations, even at higher revs.
“Sport Plus” mode activated
In “Sport Plus” mode, the PDK transmission changes to a shift program designed for driving on race circuits. 7th gear is not selected.The gear-changing performance is enhanced significantly again compared with “Sport” mode.fPlease see the chapter ““SPORT” AND “SPORT PLUS” MODE” on page 188.
Driving off with Launch Control
Launch Control allows you to achieve maximum acceleration from standstill.
Launch Control is designed to be used in a controlled environment on closed circuit driving courses where no vehicle cross traffic or pedestrian traffic is present.fUse Launch Control only if conditions permit it to be applied in a safe manner.fDo not use Launch Control if there is a possibility it could endanger other persons.Such a possibility exists if you cannot see that you have a clear road with no possibility of cross traffic in your intended direction of driving.
Information
Stress on components increases dramatically when starting with maximum acceleration in comparison with normal driving off.
Preconditions: – Launch Control should only be used when the engine has reached operating temperature.–“ Sport Plus” mode must be switched on (indicator light on the button comes on and SPORT PLUS appears on the digital speedometer or on the steering wheel).1. Press the brake with your left foot. 2. Quickly press the accelerator down fully (kickdown activated) and hold it.The engine speed will level off at around 5,500 rpm.“ Launch Control activated” is displayed on the multi-function display.Depending on equipment, the “LAUNCH CONTROL” logo appears on the steering wheel.3. Release the brake within a few seconds.
Remaining stationary for a long time with LAUNCH CONTROL can lead to overloading of the transmission.To protect the transmission, the engine power is then reduced and the LAUNCH CONTROL process is cancelled.
In order to drive off, the accelerator must first be fully released.
Endangering Other Road Users
WARNINGh
14_991_Turbo_21.book Seite 175 Mittwoch, 9. April 2014 2:19 14

176 Driving and Driving Safety
Shifting gears on the steering wheel
With the shift buttons on the steering wheel, you can change temporarily from automatic selection mode D to manual mode M.
For example: – Shifting down before bends and on entering built-up areas.– Shifting down on downward slopes (engine braking).– Shifting down for brief spurts of acceleration.
The manual selection mode remains engaged: – For cornering (depending on the lateral acceleration) and overrunning.– When the vehicle is stationary (e.g. at a junction).
The system leaves manual selection mode: – automatically after around 6 seconds (unless cornering or overrunning),– after driving off.
Kickdown
The kickdown function is active in selector-lever positions D and M.fFor optimum acceleration, e.g. when overtaking, press the accelerator pedal beyond the full-throttle point (kickdown).
The transmission shifts down depending on the speed of travel and engine speed.Upshifts occur at the highest possible engine speeds.
PDK selector lever
M – Manual selection mode
The currently engaged gear is retained when you change from D to M.
If you change from M to D, the gear-changing map suitable for your current driving style is selected and the appropriate gear is selected.
The selector lever and the two shift buttons in the upper steering wheel spokes or the shift paddles behind these spokes permit comfortable and safe selection of the seven forward gears.
Steering wheel with shift buttons
Shifting up using the selector lever or the shift buttons
fPress the PDK selector lever or shift button on the steering wheel forward.
Shifting down with selector lever or shift buttons
fPull the PDK selector lever or shift button on the steering wheel back.
14_991_Turbo_21.book Seite 176 Mittwoch, 9. April 2014 2:19 14

Driving and Driving Safety 177
Steering wheel with shift paddles
Shifting up with selector lever or right “+” shift paddle
fPress the PDK selector lever forward or pull the right shift paddle on the steering wheel back.
Shifting down with selector lever or left “–” shift paddle
fPull the PDK selector lever or left shift paddle on the steering wheel back.
Shift to N – Neutral using the shift paddles
fPull both shift paddles simultaneously and release them again immediately. Transmission in N – Neutral.
The vehicle rolls with the engine disengaged and at idle speed without engine braking effect. The number in the gear indicator goes out and the selector lever position flashes.
Power transmission can be re-established by pulling one of the shift paddles or by actuating the selector lever.
At low speeds approaching standstill, the brake must be actuated in order to establish power transmission.
Fast gear shifting by repeated operation of the selector lever, shift buttons or shift paddles.
You can shift up or down by the corresponding number of gears by quickly operating the selector lever, the shift buttons or the shift paddles several times in succession.
Gear changes that would exceed the upper or lower engine-speed limit are not executed by the control unit.
There is no automatic upshift at the upper engine- speed limit in selector-lever position M. Upshift suppression can be cancelled by kickdown operation. If, for example, the engine-speed limit is reached during overtaking and an automatic upshift does not occur, the transmission shifts up in this case as a result of kickdown operation.fSelect an appropriately low gear on upward and downward slopes.This will ensure optimum use of engine power and engine braking.
Upshift prompt for fuel-economy- optimized driving
The consumption-oriented upshift indicator A in the tachometer at the right beside the digital speed display helps you to develop a fuel-saving driving style.
The upshift indicator lights up – prompting you to shift up to the next-higher gear – depending on the selected gear, engine speed and accelerator pedal position.fChange to the next-higher gear when the upshift indicator lights up.
14_991_Turbo_21.book Seite 177 Mittwoch, 9. April 2014 2:19 14

178 Driving and Driving Safety
Limp-home mode
Failure of the selector display in the tachometer
Transm. failure Park vehicle safely
The warning “ Transm. failure Park vehicle safely ” appears on the multi-function display. – Effect: No selector-lever position is displayed in the tachometer.Vehicle can be driven only until it comes to a stop. Action required:It is not possible to continue driving. Stop the vehicle immediately in a suitable place. Have the fault corrected at an authorized Porsche dealer. If the vehicle has to be towed:Please see the chapter “TOWING” on page 278.
If there is a fault in the transmission – Depending on priority, either the “ Transm. failure Park vehicle safely ”, “Transm. fault Poss. no R gear Drive on poss. ” warning or the warning “ Drive temperature too high Reduce load ” will appear on the multi-function display.
Transm. fault Poss. no R gear Drive on poss.
– Effects: Restricted gearshift comfort,reverse gear may not function.Action required:Have the fault corrected immediately at an authorized Porsche dealer.
Transm. failure Park vehicle safely
– Effect: Vehicle can be driven only until it comes to a stop. Action required:It is not possible to continue driving. Stop the vehicle immediately in a suitable place. Have the fault corrected at an authorized Porsche dealer. If the vehicle has to be towed:Please see the chapter “TOWING” on page 278.
Warning “ Drive temperature too high Reduce load ” – Effects:“Warning jerks” can be felt when driving off and the engine power may be restricted.Action required:Do not hold the vehicle with the accelerator on a hill, for example. Hold the vehicle with the brake. Reduce engine load. Stop the vehicle in a suitable place if possible. Allow the engine to run in selector-lever position P or N until the warning disappears.
14_991_Turbo_21.book Seite 178 Mittwoch, 9. April 2014 2:19 14