2017 VOLVO XC90 TWIN ENGINE HYBRID steering wheel
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.262
Driver support systems
The vehicle is equipped with a number of driversupport systems that help provide the driver withactive/passive support.
Some of these systems are standard while othersare optional and they are designed to e.g., helpthe driver maintain a set speed or a set distanceto a vehicle ahead, or warn the driver of a poten-tial collision situation and in certain cases applythe brakes if necessary. Certain optional systemscan also assist in various parking situations.
Related information
•Adjustable steering force (p. 262)
•Electronic Stability Control (ESC) (p. 263)
•Roll stability control (RSC) (p. 267)
•Speed limiter (SL)* (p. 267)
•Distance Alert* (p. 279)
•Cruise Control (CC) (p. 274)
•Adaptive Cruise Control (ACC)* (p. 281)
•Pilot Assist* (p. 295)
•Driver support system radar sensor (p. 318)
•Driver support system camera (p. 322)
•City Safety™ (p. 326)
•Blind Spot Information (BLIS)* (p. 339)
•Cross Traffic Alert (CTA)* (p. 341)
•Road Sign Information (RSI)* (p. 346)
•Driver Alert Control (DAC) (p. 348)
•Driving lane assistance (p. 350)
•Run-off Mitigation (p. 355)
•Park Assist* (p. 358)
•Park Assist Camera (PAC)* (p. 362)
•Park Assist Pilot (PAP)* (p. 368)
Adjustable steering force
Steering force increases with the speed of thevehicle to give the driver an enhanced sense ofcontrol and stability. At low speed the vehicle iseasier to steer in order to facilitate parking, etc.
Changing the steering force level
To change the level of steering force, see theinformation under the heading "individual" in arti-cle "Drive modes" for additional information.
NOTE
•This steering force level menu functioncannot be accessed when the vehicle isin motion.
•In certain situations, the power steeringfunction may become too hot and mustbe temporarily cooled. During cooling,power steering effect will be reduced andmore force may be necessary to turn thesteering wheel and a message will bedisplayed in the instrument panel.
Related information
•Driver support systems (p. 262)
•Drive modes (p. 420)
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DRIVER SUPPORT
264
Electronic Stability Control (ESC)sport mode
ESC is always activated and cannot be switchedoff.
However, the driver can select Sport mode,which offers more active driving characteristics.
In Sport mode, the engine management systemmonitors movement of the accelerator pedal andsteering wheel for sportier driving and allowsmore lateral movement of the rear wheels beforeESC is triggered.
Under certain circumstances, such as when driv-ing with snow chains, or driving in deep snow orloose sand, it may be advisable to temporarily useSport mode for maximum tractive force.
If the driver releases pressure on the acceleratorpedal, ETC will also activate to help stabilize thevehicle.
Activating/deactivating Sport mode
In the center display's Functionview, tap ESC Sport Mode.The green indicator light in thebutton will illuminate to showthat the function has been acti-vated or gray when the functionis deactivated.
When Sport mode is activated, thissymbol will illuminate in the instrumentpanel. It will remain on until the driverdeactivates the function. ETC will alsoreturn to normal mode when the engine is restar-ted.
Related information
•Electronic Stability Control (ESC) (p. 263)
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.275
NOTE
Before CC can be activated, the vehicle'sspeed must be at least 20 mph (30 km/h).This is also the lowest speed that can be set.
Activating CC (putting it in active mode
and setting a speed)
–With the symbol displayed (CC is in
standby mode), press the button (2) onthe left-side steering wheel keypad.
>This puts CC in active mode and willmaintain the vehicle's current speed.
Related information
•Cruise Control (CC) (p. 274)
•Switching between Cruise Control andAdaptive Cruise Control* (p. 278)
•Deactivating/resuming Cruise Control (CC)(p. 276)
•Turning Cruise Control off (p. 277)
Changing Cruise Control speed
Changing a set speed
Function buttons and symbols (generic illustration)
–Change a set speed by pressing the (1)or — (3) buttons briefly or by pressing andholding them:
•Press briefly: changes speed in+/– 5 mph (+/– 5 km/h) increments.Each press changes the vehicle's speedby +/– 5 mph (+/– 5 km/h).
•Press and hold: changes the speed+/– 1 mph (+/– 1 km/h) at a time.Release the button when the set speedindicator (4)/(6) has moved to the desiredspeed.
If speed is increased by pressing the accelerator
pedal before the button is pressed, the vehi-cle's speed when the button is pressed will
become the set speed assuming that the accel-erator pedal is still depressed when the button ispressed.
A temporary increase in speed, such as whenpassing another vehicle, does not affect the CCset speed. The vehicle will return to the set speedwhen the accelerator pedal is released. Alwaysobserve posted speed limits.
Engine braking instead of applying the
brakes
CC regulates speed by applying the brakeslightly. To avoid a loss of speed when drivingdown hills, use the engine braking functioninstead of letting the CC apply the brakes. In thissituation, the driver can temporarily deactivate theCC braking function.
To do so:
–Press the accelerator pedal approx. halfwaydown and release it.
>CC will automatically deactivate the auto-matic brake function and will then onlyuse the engine braking function.
Related information
•Cruise Control (CC) (p. 274)
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.277
–Press the button (2).
>The set speed marker (4) and symbols willchange colors from GRAY to WHITE. CCwill then set and maintain the vehicle'scurrent speed.
Related information
•Cruise Control (CC) (p. 274)
•Starting and activating Cruise Control(p. 274)
Turning Cruise Control off
Cruise Control (CC) can be deactivated (turnedoff).
Function buttons and symbols
1.Press the button (2) on the left-sidesteering wheel keypad.
>This puts CC in standby mode.
2.Press the ◀ or ▶ button to switch to anotherfunction.
> The Cruise Control symbol in the instru-
ment panel will go out.
3.Press the button (2) again.
>Another function will be activated and theset speed in the CC system's memory willbe erased.
In models equipped with the optional AdaptiveCruise Control (ACC), the driver can toggle
between CC and ACC – see the article "Switch-ing between Cruise Control and Adaptive CruiseControl".
Related information
•Cruise Control (CC) (p. 274)
•Starting and activating Cruise Control(p. 274)
•Switching between Cruise Control andAdaptive Cruise Control* (p. 278)
Page 280 of 584
DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.278
Switching between Cruise Control
and Adaptive Cruise Control*
In models equipped with the optional ACC, thedriver can toggle between CC and ACC.
A symbol in the instrument panel will indicatewhich system is currently being used:
CC
Cruise Control
ACC
Adaptive Cruise Control
AA
AIf the symbol is WHITE, the function is active. If the symbol isGRAY, the function is in standby mode.
Switching from ACC to CC
To switch from ACC to CC:
1.Put ACC in standby mode with the but-ton on the left-side steering wheel keypad.
2.From the center display's Function view, tapthe Cruise control button.
>The symbol in the instrument panel will
change from (ACC) to (CC) and CC is in standby mode (readyfor use but not currently maintaining a setspeed).
3.Press the button on the left-side steer-ing wheel keypad.
>CC goes into active mode and sets thevehicle's current speed.
WARNING
Switching from ACC to CC means that:
•Your vehicle will no longer automaticallymaintain a set distance to a vehicleahead.
•Only the set speed will be maintained andthe driver will have to apply the brakeswhen needed.
If CC was activated when the engine was turnedoff, ACC will be selected and go into standbymode when the engine is restarted.
Switching from CC to ACC
To switch from CC to ACC:
1.Put CC in standby mode with the buttonon the left-side steering wheel keypad.
2.In the center display's Function view, tap theAdaptive Cruise Control button.
>The symbol in the instrument panel will
change from (CC) to (ACC) and ACC is in standby mode (readyfor use but not currently maintaining a setspeed/time interval).
3.Press the button on the left-side steer-ing wheel keypad.
>ACC goes into active mode and sets thevehicle's current speed and the selectedtime interval to the vehicle ahead.
Related information
•Cruise Control (CC) (p. 274)
•Adaptive Cruise Control (ACC)* (p. 281)
•Center display overview (p. 33)
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DRIVER SUPPORT
}}
* Option/accessory, for more information, see Introduction.285
Activating ACC (putting it in active
mode and setting a speed)
Before ACC can be put in active mode:
•The driver's seat belt must be buckled andthe driver's door must be closed.
•There must be a vehicle ahead (a target vehi-cle) within a reasonable distance or yourvehicle's current speed must be at least9 mph (15 km/h).
–With the symbol displayed (ACC is in
standby mode), press the button (1) onthe left-side steering wheel keypad.
>This puts ACC in active mode and setsthe vehicle's current speed, which is indi-cated by digits in the center of the speed-ometer.
The time interval to the vehi-cle ahead will only be shownwhen two vehicles are dis-played.
A speed interval will also beindicated:
•The higher speed is the one set in ACC
•The lower one is the speed of the vehicleahead (the target vehicle).
Related information
•Adaptive Cruise Control (ACC)* (p. 281)
•Setting an Adaptive Cruise Control timeinterval (p. 288)
•Deactivating/resuming Adaptive CruiseControl (ACC) (p. 285)
Deactivating/resuming AdaptiveCruise Control (ACC)
ACC can be put temporarily in standby modeand then reactivated.
Function buttons and symbols
To temporarily deactivate and put Adaptive CruiseControl in standby mode:
–Press the button (2).
>The symbol in the instrument panelwill change colors from WHITE to GRAYand the set speed in the center of thespeedometer will change from BEIGE toGRAY.
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.290
WARNING
If ACC changes targets from a moving vehicleto a stationary one at speeds above 20 mph(30 km/h), the system will not react to thestationary vehicle and will accelerate to thepreviously set speed.
The driver must actively apply the brakes toslow/stop the vehicle.
Automatic standby mode when changing
targets
ACC disengages and goes into standby mode if:
•your vehicle's speed goes below approx.3 mph (5 km/h) and ACC cannot determineif the target object is a stationary vehicle orsome other type of object such as a speedbump, etc
•the vehicle's speed goes below approx.3 mph (5 km/h) and the vehicle aheadchanges lanes or turns so that ACC nolonger has a target vehicle to follow.
Auto-hold brake function
In slow-moving, stop-and-go traffic or when stop-ped at a traffic light, driving will resume automati-cally if the vehicle is not stopped for more thanapprox. 3 seconds. If it takes more than3 seconds for the vehicle ahead to begin movingagain, ACC will go into standby mode and theauto-hold brake function will activate.
–The driver will then have to reactivate ACC inone of the following ways:
•Press the button on the left-sidesteering wheel keypad.
•Press the accelerator pedal.
>ACC will resume following the vehicleahead (target vehicle) if it begins to movewithin approx. 6 seconds.
NOTE
ACC can keep the vehicle at a standstill forup to 5 minutes, after which the parking brakewill be set and ACC will go into standbymode.
The parking brake has to be released beforeACC can be reactivated.
Deactivation of the auto-hold brake function
In certain situations, auto-hold will be deactivatedwhen the vehicle is at a standstill and ACC will gointo standby mode.
This means that the brakes will be released andthe vehicle can begin to roll.
The driver must actively apply the brakes to keepthe vehicle at a standstill.
This can occur in the following situations:
•the driver presses the brake pedal
•the parking brake is set
•the gear selector is moved to the P, N or Rpositions
•the driver puts ACC in standby mode.
Automatically setting the parking brake
In certain situations, the parking brake is setautomatically to help keep the vehicle at a stand-still.
This occurs if ACC keeps the vehicle at a stand-still with the brakes and:
•the driver unbuckles the seat belt or opensthe door
•ACC has kept the vehicle at a standstill formore than approx. 5 minutes
•the brakes overheat
•the engine is turned off.
Related information
•Adaptive Cruise Control (ACC)* (p. 281)
•Auto-hold brake function (p. 379)
•Parking brake (p. 382)
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DRIVER SUPPORT
* Option/accessory, for more information, see Introduction.291
Adaptive Cruise Control (ACC) -troubleshooting
If this symbol is displayed in the instru-ment panel and the messageWindscreen sensor Sensorblocked, see Owner's manualappears, the ACC radar sensor is blocked andcannot detect vehicles ahead.
This message also indicates that the followingsystems may have reduced functionality:
•Distance Alert
•City Safety
•Driver Alert Control
•Pilot Assist
•Lane Keeping Aid (LKA)
•Road Sign Information (RSI)
The following table lists possible causes for this message being displayed and suitable actions:
CauseAction
The windshield in front of the radar is dirty or covered with snow/ice.Clean/clear the windshield in front of the radar.
Heavy rain or snow is interfering with the radar signals.No action possible. Heavy precipitation may affect the function of the radar.
Swirling water or snow from the surface of the road may interfere with theradar signals.No action possible. A very wet or snow-covered road surface may affect thefunction of the radar.
The windshield in front of the radar is clean but the message remains in thedisplay.Wait a short time. It may take several minutes for the radar to detect that it isno longer obstructed.
A text message can be erased by briefly pressingthe O button on the right-side steering wheelkeypad. If the message recurs, contact a trainedand authorized Volvo service technician orretailer.
Related information
•Adaptive Cruise Control (ACC)* (p. 281)