park brake VOLVO S90 2017 Owner´s Manual

LOADING AND STORAGE
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* Option/accessory.207
NOTE
One of the alarm sensors, which is sensitive to metallic objects, is located under the tunnelconsole cup holders. Avoid leaving coins,keys, etc., in the cup holders because theymay inadvertently trigger the alarm.
Related information
•Passenger compartment storage spaces (p. 204)
• Electrical sockets (p. 209)
• Alarm (p. 236)
• Rear climate system controls on the tunnel console
* (p. 185)
Grocery bag holder
The grocery bag holders (hooks) help keep shopping bags in place.
On the sides of the cargo compartment
There is a hook on each side of the trunk.
CAUTION
The grocery bag holders (hooks) are only intended to hold weights less than approx.11 lbs (5 kg).
Load anchoring eyelets The eyelets in the trunk can be folded out to secure objects with straps, a net, etc.
Load anchoring eyelets
WARNING
• Cover sharp edges on long loads to help prevent injury to occupants. Secure theload to help prevent shifting during sud-den stops.
• Always secure large and heavy objectswith a seat belt or cargo retaining straps.
• Always secure the load to help prevent itfrom moving in the event of sudden stops.
• Switch off the engine, apply the parking brake and put the gear selector in
P
when loading and unloading the vehicle.

DRIVER SUPPORT
* Option/accessory.
242
Driver support systems
The vehicle is equipped with a number of driver support systems that help provide the driver withactive/passive support.
Some of these systems are standard while others are 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. 242)
• Electronic Stability Control (ESC) (p. 243)
• Roll stability control (RSC) (p. 247)
• Speed limiter (SL)
* (p. 247)
• Distance Alert
* (p. 259)
• Cruise Control (CC) (p. 254)
• Adaptive Cruise Control (ACC)
* (p. 261)
• Pilot Assist
* (p. 275)
• Driver support system radar sensor (p. 288)
• Driver support system camera (p. 292)
• City Safety
™ (p. 296)
• Blind Spot Information (BLIS)
* (p. 309)
• Cross Traffic Alert (CTA)
* (p. 311)
• Road Sign Information (RSI)
* (p. 316) •
Driver Alert Control (DAC) (p. 318)
• Driving lane assistance (p. 320)
• Run-off Mitigation (p. 325)
• Park Assist
* (p. 328)
• Park Assist Camera (PAC)
* (p. 332)
• Park Assist Pilot (PAP)
* (p. 338)
Adjustable steering force *
Steering force increases with the speed of the vehicle 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 levelTo change the level of steering force, see theinformation under the heading "individual" in arti-cle "Drive modes" for additional information. On models not equipped with the drive mode control in the center console, the selection ismade in the center display's Top view under:
SettingsMy CarDrive ModesSteering force
NOTE
•This steering force level menu function cannot 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.

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DRIVER SUPPORT
262
WARNING
•It is advisable to read through all of the related articles pertaining to ACC (seethe list at the end of this article).
• Adaptive Cruise Control cannot cover alldriving situations and traffic, weather androad conditions.
• This system is designed to be a supple-mentary driving aid. It is not, however,intended to replace the driver's attentionand judgement. The driver is responsiblefor maintaining a safe distance and speedand must intervene if Adaptive CruiseControl does not maintain a suitablespeed or suitable distance to the vehicleahead.
• Maintenance of ACC components mayonly be performed by a trained and quali-fied Volvo technician.
OverviewThe distance to the vehicle ahead (in the samelane) is monitored by a radar sensor. Your vehi-cle's speed is regulated by accelerating andbraking. The brakes may emit a sound when theyare being modulated by the adaptive cruise con-trol system. This is normal.
WARNING
•
Adaptive Cruise Control is not a collision avoidance system. The driver is alwaysresponsible for applying the brakes if thesystem does not detect another vehicle.
• Adaptive Cruise Control does not react topeople or animals, or small vehicles suchas bicycles and motorcycles. It also doesnot react to slow moving, parked orapproaching vehicles, or stationaryobjects.
• Do not use Adaptive Cruise Control indemanding driving conditions such as citydriving or other heavy traffic situations, inslippery conditions, when there is a greatdeal of water or slush on the road, duringheavy rain or snow, in poor visibility, onwinding roads or on highway on- or off-ramps.
Controls
Function buttons and symbols (generic illustration)
Increases the set speed or puts ACC back into active mode (previous settings will beresumed)
Puts ACC in active mode and stores the cur- rent speed or puts ACC in standby mode
Reduces the set speed
Increases the time interval/distance to the vehicle ahead
Reduces the time interval/distance to the vehicle ahead
Target vehicle indicator: ACC has detected and is following a target vehicle using the settime interval
Distance/time indicator

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DRIVER SUPPORT
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266
Automatic standby mode
ACC interacts with other systems, such as Electronic Stability Control. If any of these othersystems are not functioning properly, ACC willturn off automatically.
WARNING
If this happens, the driver will be alerted by an audible signal and a message in the instru-ment panel. The driver will have to adapt thevehicle's speed, apply the brakes when nec-essary and keep a safe distance to the vehicleahead.
ACC switches automatically to standby mode if: • the vehicle's speed goes below approx. 3 mph (5 km/h) and ACC cannot determineif the vehicle ahead is stationary or is anobject such as a speed bump, 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
• the driver opens the door
• the driver unbuckles the seat belt
• the engine speed (rpm) is too high/low
• the wheels lose traction
• the brake temperature is too high
• the parking brake is applied •
the stability system's
ESC Sport Mode is
activated
• the
Off Road drive mode is selected
• The radar sensor is covered by e.g., wet snow or if heavy rain interferes with radar waves
Reactivating ACC from standby mode
Generic illustration
To reactivate ACC after it has temporarily been put in standby mode:
–Press the button (1).
> The vehicle will then return to the most
recently set speed .
WARNING
There may be a significant increase in speed after the
button has been pressed.
Related information
•Adaptive Cruise Control (ACC)
* (p. 261)
• Starting and activating Adaptive Cruise Control (ACC)
* (p. 264)
• Setting an Adaptive Cruise Control time interval (p. 267)
• Passing Assistance with Adaptive CruiseControl or Pilot Assist (p. 268)
• Adaptive Cruise Control (ACC) symbols andmessages (p. 273)
• Distance Alert
* (p. 259)

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DRIVER SUPPORT
* Option/accessory.
270
WARNING
At speeds above 20 mph (30 km/h), if ACC
changes targets from a moving vehicle to a stationary one, the system will not react to the
stationary vehicle and will accelerate to the previously set speed. The driver must actively apply the brakes to slow/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 functionIn 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 in one of the following ways:
• Press the
button on the left-side
steering wheel keypad.
• Press the accelerator pedal.
> ACC will resume following the vehicle ahead (target vehicle) if it begins to move within approx. 6 seconds.
NOTE
ACC can keep the vehicle at a standstill for up to 5 minutes, after which the parking brakewill be set and ACC will go into standbymode. The parking brake has to be released before ACC can be reactivated.
Deactivation of the auto-hold brake function
In certain situations, auto-hold will be deactivated when the vehicle is at a standstill and ACC will gointo standby mode. This means that the brakes will be released and the vehicle can begin to roll. The driver must actively apply the brakes to keep the 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 R
positions
• the driver puts ACC in standby mode.
Automatically setting the parking brakeIn certain situations, the parking brake is set automatically 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. 261)
• Auto-hold brake function (p. 348)
• Parking brake (p. 350)

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DRIVER SUPPORT
276sensor, the system may apply the brakes in your vehicle suddenly or not at all. Pilot Assist is designed to follow a vehicle ahead in the same traffic lane at a preset time intervalset by the driver. If the radar sensor does notdetect a vehicle ahead, the vehicle will insteadmaintain the speed set by the driver. This will alsobe the case if a vehicle ahead accelerates andexceeds the set speed.
• Pilot Assist can follow another vehicle from astandstill up to a speed of approx. 125 mph(200 km/h)
• Pilot Assist can provide steering assistancefrom very low speeds up to approx. 87 mph(140 km/h).
Never exceed posted speed limits.
WARNING
• Pilot Assist is not a collision avoidance system. The driver must react if the sys-tem does not detect another vehicle.
• Pilot Assist does not react to people, ani-mals, stationary objects, small vehicles(such as bicycles and motorcycles), lowtrailers and slow moving, parked orapproaching vehicles.
• Do not use Pilot Assist in demandingdriving conditions such as city driving orother heavy traffic situations, in areas withintersections, in slippery conditions, whenthere is a great deal of water or slush onthe road, during heavy rain or snow, inpoor visibility, on winding roads, on high-way on- or off-ramps or if the vehicle istowing a trailer, boat, etc.
NOTE
•Pilot Assist maintenance should only be carried out by a trained and qualifiedVolvo service technician.
• Pilot Assist regulates your vehicle'sspeed using the accelerator pedal andthe brakes. Please be aware that theremay be a faint sound from the brakeswhen the system is using them.
Pilot Assist overview
Controls
Function buttons and symbols (generic illustration)
Increase set speed or resume Pilot Assist set speed and distance (time interval) to thevehicle ahead
Press to activate Pilot Assist or put it in standby mode
Change from Pilot Assist to Adaptive Cruise Control
Reduce set speed
Increase the distance (time interval) to the vehicle ahead
Change from Adaptive Cruise Control to Pilot Assist
Reduce the distance (time interval) to the vehicle ahead

DRIVER SUPPORT
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* Option/accessory.283
In standby mode, the driver will have to regulate the vehicle's speed and the distance to the vehi-cle ahead. When Pilot Assist is in standby mode and your vehicle comes too close to another vehicle, thedriver will be alerted by the Distance Alert func-tion.
Standby mode due to action by the driver
Pilot Assist is temporarily deactivated and put in standby mode if:
• the brakes are applied
• The gear selector is moved to
N
• the turn signals are used for more than1 minute
• the vehicle is driven faster than the setspeed for more than 1 minute.
A temporary increase in speed, such as whenpassing another vehicle, does not affect the PilotAssist set speed. The vehicle will return to the setspeed when the accelerator pedal is released. When the turn signals are used, Pilot Assist's steering function will be temporarily deactivated.When this is no longer the case, the steeringfunction will reactivate if the traffic lane's sidemarker lines can still be detected.
Automatic standby mode
Pilot Assist interacts with other systems, such as Electronic Stability Control. If any of these other systems are not functioning properly, Pilot Assistwill automatically be deactivated.
WARNING
If this happens, the driver will be alerted by an audible signal and a message in the instru-ment panel. The driver will have to adapt thevehicle's speed, apply the brakes when nec-essary and keep a safe distance to the vehicleahead.
Pilot Assist switches automatically to standby mode if: • the vehicle's speed is below approx. 3 mph(5 km/h) and Pilot Assist cannot determine ifa vehicle ahead is a stationary vehicle or anobject.
• the vehicle's speed is below approx. 3 mph(5 km/h) and the vehicle ahead turns so thatPilot Assist no longer has a vehicle to follow(target vehicle).
• the driver's hands are not on the steeringwheel
• the driver's door is opened
• the driver unbuckles the seat belt
• engine speed (rpm) is too high/low
• the wheels lose traction
• brake temperature is too high
• the parking brake is set •
The camera lens/radar sensor is covered bye.g., snow or if heavy rain interferes withradar wavesReactivating Pilot Assist from standby
mode
Generic illustration
–Press the button (1).
> The most recently set speed will be used.
WARNING
There may be a significant increase in speed after the
button has been pressed.
Related information
• Pilot Assist
* (p. 275)
• Starting and activating Pilot Assist (p. 278)
• Changing Pilot Assist speed (p. 280)

DRIVER SUPPORT
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* Option/accessory.285
–The driver will then have to reactivate Pilot Assist in one of the following ways:
• Press the
button on the left-side
steering wheel keypad
• Press the accelerator pedal
> Pilot Assist will resume following the vehi- cle ahead (target vehicle) if it begins to move within approx. 6 seconds.
NOTE
Pilot Assist can keep the vehicle at a stand- still for up to 5 minutes, after which the park-ing brake will be set and Pilot Assist will gointo standby mode. The parking brake has to be released before Pilot Assist can be reactivated.
Deactivation of the auto-hold brake function
In certain situations, auto-hold will be deactivated when the vehicle is at a standstill and Pilot Assistwill go into standby mode. This means that the brakes will be released and the vehicle can begin to roll. The driver must actively apply the brakes to keep the 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 R
positions
• the driver puts Pilot Assist in standby mode
Automatically setting the parking brakeIn certain situations, the parking brake is set automatically to help keep the vehicle at a stand-still. This occurs if Pilot Assist keeps the vehicle at a standstill with the brakes and:
• the driver unbuckles the seat belt or opensthe door
• Pilot Assist has kept the vehicle at a stand-still for more than approx. 5 minutes
• the engine is turned off
• the brakes overheat
Related information
•
Pilot Assist
* (p. 275)
• Starting and activating Pilot Assist (p. 278)
• Changing Pilot Assist speed (p. 280)
• Setting a Pilot Assist time interval (p. 281)
• Deactivating/resuming Pilot Assist (p. 282)
• Passing Assistance with Adaptive CruiseControl or Pilot Assist (p. 268)
• Pilot Assist limitations (p. 285)
• Pilot Assist symbols and messages (p. 287)
Pilot Assist limitations
Pilot Assist functionality may be limited in certain situations.
Pilot Assist is designed to help the driver in a number of situations. However, the driver alwayshas the primary responsibility for maintaining asafe distance to other vehicles and for keepingthe vehicle in its proper traffic lane.

DRIVER SUPPORT
* Option/accessory.329
Side park assist
The system's side sensors are activated automat- ically when the engine is started and are active atspeeds below approximately 6 mph (10 km/h). The distance monitored along the sides of the vehicle is approximately 1 ft (30 cm). The audiblesignal comes from the side speakers.
Front park assist
The system's front sensors are activated auto- matically when the engine is started and areactive at speeds below approximately 6 mph(10 km/h). The distance monitored in front of the vehicle is approximately 2.5 ft (80 cm). The audible signalcomes from the front speakers. Front Park Assist is deactivated if the parking brake is applied or if the gear selector is put in P.
When installing auxiliary headlights, be sure that they do not obstruct the front sensors. Otherwise,these lights could trigger a Park Assist warning.
Related information
• Activating/deactivating Park Assist (p. 329)
• Park Assist limitations (p. 330)
• Park assist symbols and messages (p. 331)
Activating/deactivating Park Assist
The Park Assist system can be turned on or off.
On/OffPark Assist's front and side sensors are activated automatically when the engine is started. Therear sensors activate if the vehicle rolls rearward in N or if R is selected.
This function can be activated/ deactivated in the center dis-play's Function view.
–Tap the Park Assist button.
> Green indicator: the function is active. Gray indicator: the function is deactivated.
Related information
• Park Assist
* (p. 328)
• Park Assist limitations (p. 330)
• Park assist symbols and messages (p. 331)

DRIVER SUPPORT
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Park Assist limitations
The Park Assist system has certain limitations.
NOTE
A trailer hitch whose wiring is integrated with the vehicle's electrical system will be takeninto account when measuring the availablespace behind the vehicle.
NOTE
• The system will not detect high objects, such as a loading dock, etc.
• Certain materials or fabrics may not bedetected by the sensors. Objects made ofthese materials or people wearing cloth-ing made of these fabrics may not bedetected.
• Children or animals near the vehicle maynot always be detected.
• Objects such as chains, thin shiny polesor low objects may temporarily not bedetected by the system. This may resultin the pulsing tone unexpectedly stoppinginstead of changing to a constant tone asthe vehicle approaches the object. Insuch cases, use caution when backing upor stop the vehicle to help avoid damage.
• In certain circumstances, the park assistsystem may give unexpected warning sig-nals that can be caused by externalsound sources that use the same ultra-sound frequencies as the system. Thismay include such things as the horns ofother vehicles, wet tires on asphalt, pneu-matic brakes, motorcycle exhaust pipes,other vehicles with similar ultrasound sys-tems, etc. This does not indicate a fault inthe system.
Cleaning the sensors
Location of the Park Assist sensors
The sensors must be cleaned regularly to ensure that they work properly. Clean them with waterand a suitable car washing detergent.
NOTE
If the sensors are obstructed by e.g., dirt, snow, or ice, this could result in false warningsignals from the park assist system or thesystem may not function at all.
Related information
•
Park Assist
* (p. 328)
• Activating/deactivating Park Assist (p. 329)
• Park assist symbols and messages (p. 331)