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276* Option/accessory, for more information, see Introduction.
Automatic gearbox -- Powershift*
An automatic gearbox with Powershift differs from an automatic gearbox with Geartronic (p.273), in that it has double mechanical clutchdiscs.
D : Automatic gear positions. +S–: Manual gear
positions. S: Sport mode*.
The Powershift automatic gearbox transmits the motive force from the engine to the drivewheels with double mechanical clutch discs,as opposed to Geartronic which instead usesa hydraulic torque converter. Powershift transmission operates in the same way and has similar controls and functions asthe Geartronic automatic transmission. Oneexception is Geartronic's Winter mode, seethe section "Geartronic - Winter mode" (p. 273). Powershift enables driving away on aslippery road surface if 2nd gear is engagedmanually instead of 3rd gear (Geartronic).
Powershift or GeartronicThe model with Powershift transmissionshould not be towed as it is dependent on theengine running in order to receive sufficientlubrication. If towing still has to take place,the route must be as short as possible andthen with very low speed. In the event of uncertainty as to whether or not the car is equipped with Powershift trans-mission, this can be verified by checking thedesignation on the gearbox label under thebonnet - see Type designations (p. 386). Thedesignation ”MPS6” means that it isPowershift transmission - otherwise it isGeartronic automatic transmission.
To bear in mindThe transmission's double clutch has over-load protection that is activated if it becomestoo hot, e.g. if the car is held stationary withthe accelerator pedal on an uphill gradient fora long time. Overheated transmission causes the car to shake and vibrate, and the warning symbolilluminates and the combined instrumentpanel shows a message. The transmissioncan also overheat during slow driving inqueues (10 km/h or slower) on an uphill gradi-ent, or with a trailer hitched. The transmissioncools down when the car is stationary, withfoot brake depressed and the engine runningat idling speed. Overheating during slow driving in queues can be avoided by driving in stages:
• Stop the car and wait with your foot on the brake pedal until there is a moderatedistance to the traffic ahead, drive for-ward a short distance, and then waitanother moment with your foot on thebrake pedal.
IMPORTANT
Use the foot brake to hold the car station- ary on an uphill gradient - do not hold thecar with the accelerator pedal. The gear-box could then overheat.
For important information regarding Power- shift transmission and towing, see Towing (p.313).
Text message and actionIn some situations the combined instrumentpanel may show a text message at the sametime as a symbol is illuminated.
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SymbolMessageDriving characteristicsAction
Transm. overheat brake to holdDifficulty in maintaining even speed at constant engine speed.Transmission overheated. Keep the car stationary using the foot brake.A
Transm. overheat park safelySignificant pulling in the car's traction.Transmission overheated. Park the car immediately in a safe manner.A
Transm. cooling let engine runNo drive due to overheated gearbox.Transmission overheated. For fastest cooling: Run the engine at idling speed with the gear lever in the
N or P position until
the message clears.
A For fastest cooling: run the engine at idling speed with the gear lever in the N or P position, until the message clears.
The table shows three steps with an increased degree of seriousness should thetransmission become too hot. In parallel withthe text message, the driver is also advisedthat the car's electronics are temporarilychanging the driving characteristics. Followthe instructions in the text message whereappropriate.
NOTE
The examples in the table are no indication of the car being defective, but show that asafety function has been activated with aview to preventing damage to any of thecar's components.
WARNING
If a warning symbol combined with the textTransm. overheat park safely is ignored
then the heat in the gearbox may become so high that the power transmissionbetween engine and gearbox is temporar-ily halted in order to prevent the clutchfrom malfunctioning - the car then losesdrive and is stationary until gearbox tem-perature has cooled to an acceptablelevel.
For more possible text messages with their respective proposals for solutions concerningautomatic gearbox, see Messages (p. 101). A text message extinguishes automatically after the action has been carried out or afterone press on the indicator stalk OK button.
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* Option/accessory, for more information, see Introduction.283
Start/Stop* - the engine auto-starts
Some engine and gearbox combinations are equipped with a Start/Stop function whichengages in the event of e.g. stationary trafficor waiting at traffic lights. An auto-stoppedengine may restart in certain cases withoutthe driver having decided that the journeyshould continue. In the following cases the engine also starts automatically if the driver has not depressedthe clutch pedal (manual gearbox) or takeshis/her foot off the brake pedal (automaticgearbox):
ConditionsM/A A
Misting forms on the windows.M + A
The environment in the passenger compartment deviates from thepreset values.M + A
There is a temporarily high current take-off or battery capacity dropsbelow the minimum permittedlevel.M + A
Repeated pumping of the brake pedal.M + A
The bonnet is opened
B
.M + A
ConditionsM/A A
The car starts to move, or increa- ses speed slightly if the car auto-stopped without being fully sta-tionary.M + A
The driver's seatbelt buckle is opened with the gear selector in
D
or N position.A
Steering wheel movements B
.A
The gear selector is moved out of the D position to S position C
, R or
" +/- ".A
The driver's door is opened with the gear selector in D position - a
"ping" sound and text messageinform that the Start/Stop functionis active.A
A M = Manual gearbox, A = Automatic gearbox.
B With certain engines only.
C Sport mode.
WARNING
Do not open the bonnet when the engine has stopped automatically - the enginemay suddenly start automatically. Firstswitch off the engine as normal using theSTART/STOP ENGINE button before
opening the bonnet.
Related information
• Start/Stop* (p. 279)
• Start/Stop* - function and operation (p. 280)
• Starting the engine (p. 264)
• Start/Stop* - settings (p. 285)
• Start/Stop* - the engine does not auto-start (p. 284)
• Start/Stop* - the engine does not stop (p.282)
• Start/Stop* - involuntary engine stoppagemanual gearbox (p. 284)
• Start/Stop* - symbols and messages (p.286)
• Battery - Start/Stop (p. 365)
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290* Option/accessory, for more information, see Introduction.
All Wheel Drive - AWD*
The best traction possible is achieved with all- wheel drive.
All Wheel Drive is always available
All Wheel Drive (All Wheel Drive) means that the car is driving all four wheels at the sametime. The power is automatically distributed between the front and rear wheels. An elec-tronically controlled clutch system distributesthe power to the wheels that have the bestgrip on the current road surface. This pro-vides the best traction and prevents wheelspin. Under normal driving conditions, themajority of power is transmitted to the frontwheels. All Wheel Drive improves driving safety in rain, snow and icy conditions.
Foot brake
The foot brake is used to reduce the car's speed while driving. The car is equipped with two brake circuits. If one brake circuit is damaged then this willmean that the brakes engage at a deeperlevel and higher pedal pressure is needed toproduce the normal braking effect. The driver's brake pedal pressure is assisted by a brake servo.
WARNING
The brake servo only works when the engine is running.
If the brake is used when the engine is switched off then the pedal will feel stiff and ahigher pedal pressure must be used to brakethe car. In very hilly terrain or when driving with a heavy load the brakes can be relieved byusing engine braking. Engine braking is mostefficiently used if the same gear is useddownhill as up. For more general information on heavy loads on the car, see Engine oil - adverse drivingconditions (p. 395).
Cleaning the brake discsCoatings of dirt and water on the brake discsmay result in delayed brake function. Withwet road surfaces, prior to long-stay parking and after the car has been washed, it isadvisable to carry out cleaning by brakinggently for a short period while driving.
MaintenanceTo keep the car as safe and reliable as possi-ble, follow the Volvo service intervals asspecified in the Service and Warranty Book-let.
IMPORTANT
The wear on the brake system's compo- nents must be checked regularly. Contact a workshop for information about the procedure or engage a workshop tocarry out the inspection - an authorisedVolvo workshop is recommended.
Symbols and messages
SymbolSpecification
Constant glow – Check the brake fluid level. If the level islow, fill with brake fluid andcheck for the cause of thebrake fluid loss.
Constant glow for 2 seconds when the engine is started -automatic function check.
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WARNING
If and illuminate at the same
time, there may be a fault in the brake sys- tem. If the level in the brake fluid reservoir is normal at this stage, drive carefully to thenearest workshop and have the brake sys-tem checked - an authorised Volvo work-shop is recommended. If the brake fluid is below the MIN level in
the brake fluid reservoir, do not drive fur- ther before topping up the brake fluid. The reason for the loss of brake fluid must be investigated.
Related information
• Parking brake (p. 293)
• Foot brake - emergency brake lights and automatic hazard warning flashers (p.291)
• Foot brake - emergency brake assistance(p. 292)
• Foot brake - anti-lock braking system (p.291)
Foot brake - anti-lock braking system
The anti-lock braking system, ABS (Anti-lock Braking System), prevents the wheels fromlocking up during braking. The function allows steering ability to be maintained, and it is easier to swerve to avoida hazard for example. Vibration may be felt inthe brake pedal when this is engaged and thisis normal. A short test of the ABS system is made auto- matically after the engine has been startedwhen the driver releases the brake pedal. Afurther automatic test of the ABS system maybe made when the car reaches 10 km/h. Thetest may be experienced as pulses in thebrake pedal.
Related information
•Foot brake (p. 290)
• Parking brake (p. 293)
• Foot brake - emergency brake lights and automatic hazard warning flashers (p.291)
• Foot brake - emergency brake assistance(p. 292)
Foot brake - emergency brake lights and automatic hazard warningflashers
Emergency brake lights are activated to alert vehicles behind about sudden braking. Thefunction means that the brake light flashesinstead of - as in normal braking - shining witha constant glow. Emergency brake lights are activated at speeds above 50 km/h in the event of suddenbraking. After the car's speed has beenslowed below 10 km/h the brake light returnsfrom flashing to the normal constant glow -while at the same time the hazard warningflashers (p. 86) are activated, and they flashuntil the driver changes engine speed with theaccelerator pedal or they are deactivated withtheir button.
Related information
•Foot brake (p. 290)
• Parking brake (p. 293)
• Foot brake - emergency brake assistance (p. 292)
• Foot brake - anti-lock braking system (p.291)
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Foot brake - emergency brake assistance
Emergency brake assistance EBA (Emergency Brake Assist) helps to increase the brakingforce and so reduce the braking distance. EBA detects the driver's braking style and increases the braking force when necessary.The brake force can be reinforced up to thelevel when the ABS system is engaged. TheEBA function is interrupted when the pressureon the brake pedal is reduced.
NOTE
When EBA is activated the brake pedal lowers slightly more than usual, depress(hold) the brake pedal as long as neces-sary. If the brake pedal is released then allbraking ceases.
Related information
•Foot brake (p. 290)
• Parking brake (p. 293)
• Foot brake - emergency brake lights and automatic hazard warning flashers (p.291)
• Foot brake - anti-lock braking system (p.291)
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Parking brake
The parking brake holds the car stationary, when the driver's seat is empty, by mechani-cally locking/blocking two wheels.
FunctionA faint electric motor noise can be heardwhen the electrical parking brake is beingapplied. The noise can also be heard duringthe automatic function checking of the park-ing brake. If the car is stationary when the parking brake is applied then it only acts on the rear wheels.If it is applied when the car is moving then thenormal foot brake is used, i.e. the brake actson all four wheels. Brake function changesover to the rear wheels when the car is almoststationary.
Low battery voltageIf the battery voltage is too low then the park-ing brake can neither be released nor applied.Connect a donor battery if the battery voltageis too low, see Jump starting with battery (p.270).
Applying the parking brake
Parking brake control - apply.
1. Press the foot brake pedal down firmly.
2. Press the control PUSH LOCK/PULL
RELEASE .
>
The combined instrument pan-
el's symbol starts flashing - once there is a constant glow the parking brake isapplied.
3. Release the foot brake pedal and make sure that the car is at a standstill position.
• When parking the vehicle, always engage 1st gear (for manual gearbox) or put thegear selector in position
P (for automatic
gearbox).
Emergency brakeIn an emergency the parking brake can be applied when the vehicle is in motion by pressing and holding the control for
PUSH
LOCK/PULL RELEASE . The braking proce-
dure is stopped when the control is released.
NOTE
In the event of emergency braking at speeds above 10 km/h a signal soundsduring the braking procedure.
Parking on a hillIf the car is parked facing uphill:
• Turn the wheels
away from the kerb.
If the car is parked facing downhill: • Turn the wheels
towards the kerb.
WARNING
Always apply the parking brake when parking on a slope - leaving the car ingear, or in P if it has automatic transmis-
sion, is not sufficient to hold the car in allsituation.
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Symbols and messagesFor information on how the combined instru- ment panel's text messages can be shownand deleted, see Messages - handling (p.102).
SymbolMessageMeaning/Action
"Message"•
Read the message in the combined instrument panel.
A flashing symbol indicates that the parking brake is applied. If the symbol flashes in any other situation then this means that a fault has arisen.
• Read the message in the combined instrument panel.
Park brake not fully releasedA fault is preventing the parking brake from being released:
• Try to apply and release the brake.
If the fault persists after a few attempts:
• Visit a workshop - an authorised Volvo workshop is recommended.
Note: A warning signal sounds if the journey is continued with this error message.
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