engine VOLVO V90 CROSS COUNTRY 2021 Repair Manual

DRIVER SUPPORT
}}
391
Common camera and radar limitations
Obstructed camera
The area marked in the illustration must be cleaned regularly and kept free of decals, objects, solar film,etc.
The camera is located on the upper interior section of the windshield along with the radarsensor. Do not place, affix or mount anything on the inside or outside of the windshield, or in frontof or around the camera and radar sensor –this could disrupt camera and radar-basedfunctions. It could cause functions to bereduced, deactivated completely or to producean incorrect function response.
High temperatures
If the temperature in the passenger compart- ment is very high, the camera/radar sensorwill switch off temporarily forapprox. 15 minutes after the engine is startedto protect its electronic components. Whenthe temperature has cooled sufficiently, thecamera/radar sensor will automatically restart.
Damaged windshield
NOTE
Failure to take action could result in reduced performance for the driver supportsystems that use the camera and radarunit. It could cause functions to bereduced, deactivated completely or to pro-duce an incorrect function response.
To avoid the risk of malfunction of the driver support systems that use the radar sensor, thefollowing also apply:
If there are cracks, scratches or stonechips on the windshield in front of any ofthe camera and radar sensor "windows"and this covers an area ofabout 0.5 × 3.0 mm (0.02 × 0.12 in.) ormore, contact a workshop to have the windshield replaced 126
.
Volvo advises
against repairing cracks,
scratches or stone chips in the area in front of the camera and radar sensor – the entire windshield should instead bereplaced.
Before replacing the windshield, contact a workshop 126
to verify that the right wind-
shield has been ordered and installed.
The same type of windshield wipers or wipers approved by Volvo should be usedfor replacement.
If the windshield is replaced, the cameraand radar sensor must be recalibrated by a workshop 126
to help ensure proper func-
tioning of all of the vehicle's camera and radar-based systems.
Additional radar limitations
Vehicle speed
The radar sensor's ability to detect a vehicle ahead is significantly reduced if the speed ofthe vehicle ahead differs greatly from yourvehicle's speed.
126 An authorized Volvo workshop is recommended.

STARTING AND DRIVING
* Option/accessory.
398
Starting the vehicle
The vehicle can be started using the start knob in the tunnel console when the remotekey is in the passenger compartment.
Start knob in the tunnel console.
WARNING
Before starting:
Buckle your seat belt.
Adjust the seat, steering wheel and mirrors.
Make sure you can fully depress thebrake pedal.
The remote key is not physically used to startthe ignition because the vehicle is equippedwith the keyless Passive Start system. To start the vehicle:
1. The remote key must be inside the vehicle.
For vehicles with Passive Start, the key must be in the front section of the passen-ger compartment. With the optional key- less locking/unlocking function *, the key
can be anywhere in the vehicle.
2. Press and hold down the brake pedal 1
as
far as possible.
3. Turn the start knob clockwise and release. The control will automatically return to the original position.
WARNING
Never use more than one inlay mat at a time on the driver's floor. If any othertype of floor mat is used, remove theoriginal mat from the driver's seat floorbefore driving. All types of mats mustbe securely anchored in the attach-ment points in the floor. Make sure thefloor mat does not impede the move-ment of the brake pedal or acceleratorpedal in any way, as this could be aserious safety hazard.
Volvo's floor mats are specially manu-factured for your vehicle. They must beproperly secured in the attachmentpoints in the floor to help ensure theycannot slide and become trappedunder the pedals.
The starter motor will crank until the enginestarts or until overheating protection is trig-gered.
Error messagesIf the Vehicle key not found message is
shown in the instrument panel at start, place the remote key at the backup reader and thenmake a new start attempt.
1 If the vehicle is moving, it is only necessary to turn the start knob clockwise to start the engine.

STARTING AND DRIVING
}}
399
Location of the backup reader in the tunnel console.
NOTE
When the remote key is placed in the backup reader, make sure that no othervehicle keys, metal objects or electronicdevices (e.g. cellular phones, tablets, lap-tops or chargers) are in the backup reader.Multiple vehicle keys close to each other inthe backup reader can disrupt their func-tionality.
CAUTION
If the engine has not responded after 3 attempts – wait for 3 minutes before star-ting a new attempt. Starting capabilityincreases if the starter battery is given timeto recover.
WARNING
Never remove the remote control key from
the vehicle while driving or the vehicle is being towed.
WARNING
Always remove the remote key from the passenger compartment when youleave the vehicle and make sure theignition is in mode
0.
Always put the gear selector in
P and
apply the parking brake before leavingthe vehicle. Never leave the vehicleunsupervised while the engine is run-ning.
Always open the garage door fully andmake sure that ventilation is very goodbefore starting the engine in a garage.The exhaust fumes produced by thevehicle contain carbon monoxide,which is invisible and odorless but verytoxic.
CAUTION
When starting in cold weather, the automatic transmission may shift up atslightly higher engine speeds than nor-mal until the automatic transmissionfluid reaches normal operating tem-perature.
Do not race a cold engine immediatelyafter starting. This could prevent fluidsfrom properly lubricating vital compo-nents in the engine before it hasreached the proper operating tempera-ture.
The engine should be idling when thegear selector is moved. Never acceler-ate until the gear is fully engaged.Accelerating rapidly before a gear isproperly engaged could lead to harderwear of components.
To help prevent the transmission oilfrom overheating, select
P or N when
idling at a standstill for prolonged peri-ods of time.

||
STARTING AND DRIVING
400
NOTE
With a cold start, idling speed may be con- siderably higher than normal for certainengine types. This is done to get the emis-sions system up to normal operating tem-perature as quickly as possible, which min-imizes exhaust emissions and protects theenvironment.
Related information
Switching off the vehicle (p. 400)
Ignition modes (p. 401)
Adjusting the steering wheel (p. 203)
Jump starting using another battery (p. 444)
Selecting ignition mode (p. 402)
Switching off the vehicle
The vehicle can be switched off using the start knob in the tunnel console.
Start knob in the tunnel console.
To switch off the vehicle:
–Turn the start knob clockwise and release to switch off the vehicle. The control willautomatically return to the original posi-tion.
If the vehicle rolls:
–Turn clockwise and hold the knob until the vehicle switches off.
Related information
Starting the vehicle (p. 398)
Ignition modes (p. 401)
Adjusting the steering wheel (p. 203)
Jump starting using another battery(p. 444)
Selecting ignition mode (p. 402)

STARTING AND DRIVING
}}
* Option/accessory.401
Ignition modes The vehicle's ignition can be put in various modes (levels) to make different functionsavailable.
To enable the use of a limited number of func- tions when the engine is not running, the igni-tion can be put in one of three different levels:0, I and II. These levels are referred to as "igni-
tion modes" in the Owner's Manual. The following table shows which functions are available in each ignition mode:
Mode Functions
0 The odometer, clock and tem- perature gauge are illumi- nated A
.
The power
* seats can be
adjusted.
The power windows can be used.
The center display is activated and can be used A
.
The infotainment system canbe used A
.
In this mode, the functions are available for a limited time andthen switch off automatically.Mode Functions
I The panoramic roof, power windows, 12-volt electricalsocket in the passenger com-partment, Bluetooth, naviga-tion, phone, blower and wind-shield wipers can be used.
The power seats can beadjusted.
The 12-volt electrical socket
* in
the cargo compartment can beused.
Electrical current will be taken
from the battery in this ignitionmode.
II The headlights illuminate.
Warning/indicator lights illumi-nate for 5 seconds.
A number of other systems areactivated. However, seat andrear window heating can onlybe activated when the engineis running.
This ignition mode uses a lot of
current from the battery andshould be avoided wheneverpossible!
A Also activated when the door is opened.

||
STARTING AND DRIVING
402
Related information
Starting the vehicle (p. 398)
Adjusting the steering wheel (p. 203)
Jump starting using another battery (p. 444)
Selecting ignition mode (p. 402)
Selecting ignition mode
The vehicle's ignition can be put in various modes (levels) to make different functionsavailable.
Selecting an ignition mode
Start knob in the tunnel console.
Ignition mode 0
– Unlock the vehicle and
keep the remote key in the passenger compartment.
NOTE
To set level I or II without engine start –
do not depress the brake pedal (or clutch
pedal for vehicles with manual transmis- sion) when selecting this ignition mode.
Ignition mode I
– Turn the start knob
clockwise and release it. The control will automatically return to the original posi- tion.
Ignition mode II
– Turn the start knob
clockwise and hold it there forapprox. 5 seconds. Release the knob,which will automatically return to its origi-nal position.
Back to ignition mode 0
– To return to
ignition mode 0 from modes I and II, turn
the start knob clockwise and release it.The control will automatically return to theoriginal position.
Related information
Starting the vehicle (p. 398)
Switching off the vehicle (p. 400)
Ignition modes (p. 401)
Adjusting the steering wheel (p. 203)
Jump starting using another battery(p. 444)

STARTING AND DRIVING
}}
403
Brake functions
The vehicle's brakes are used to reduce speed or prevent the vehicle from rolling.
In addition to the wheel brakes and parking brakes, the vehicle is also equipped with anumber of automatic brake assist functions.These systems provide assistance by e.g. thedriver not needing to depress the brake pedalat a traffic light, when starting up a hill orwhen driving down a hill. Depending on how the vehicle is equipped, the following brake assist functions may beincluded:
Auto-hold brake function at a standstill(Auto Hold)
Hill Start Assist (Hill Start Assist)
Braking assist after a collision
City Safety
Hill Descent Control (Hill Descent Control)
Related information
Brakes (p. 403)
Parking brake (p. 406)
Auto-hold brakes (p. 409)
Braking assist after a collision (p. 411)
Hill Start Assist (p. 411)
City Safety
™ (p. 331)
Hill Descent Control (p. 433)
Brakes
The brake pedal is used to apply the vehicle's regular brakes, which are part of the brakesystem.
The vehicle is equipped with two brake cir- cuits. If one brake circuit is damaged, thebrake pedal may go down further whendepressed. More pressure will then berequired from the driver for normal brakingeffect. The driver's pressure on the brake pedal is enhanced by a power braking function.
WARNING
Power braking only functions if the engine is running.
If the brake pedal is used when the engine is turned off, the pedal will feel stiffer than usualand greater pressure must be applied to brakethe vehicle. In very hilly areas or when driving with a heavy load, engine braking in manual gear should beused to augment the brakes. Engine braking ismost effective if the same gear is used bothuphill and downhill. Use the Off Road drivemode to increase the engine braking effectwhen driving on steep downgrades at lowspeeds.
Anti-lock brakesThe vehicle is equipped with an Anti-lock Braking System (ABS 2
), which helps prevent
the wheels from locking and helps maintain steering control when braking. Vibrations maybe felt from the brake pedal when ABS isoperating, which is normal. After the vehicle is started, a brief test of the ABS system is automatically performed whenthe driver releases the brake pedal. An addi-tional automatic test of the system may beperformed when the vehicle is traveling at alow speed. During the test, the brake pedalmay feel as though it is pulsating.

||
STARTING AND DRIVING
404
Symbols in the instrument panel
Symbol Meaning
A
BCheck the brake fluid level. If the level is low, fill brake fluid andcheck to determine the reasonfor the loss of brake fluid.
A
BSteady glow for 2 seconds after the engine is started: Automaticfunction check. Steady glow for more than 2 seconds: Fault in the ABS sys-tem. The vehicle's regular brakesystem is still working, but with-out the ABS function.
A
In Canada.
B In the US.
WARNING
If the warning symbols for both brake fault and ABS fault are lit simultaneously, theremay be a fault in the brake system.
If the brake fluid reservoir level is nor- mal when this occurs, drive carefully tothe nearest workshop to have thebrake system checked - an authorizedVolvo workshop is recommended.
If the brake fluid has fallen below theMIN
level in the brake fluid reservoir,
the vehicle should not be driven untilthe brake fluid has been filled. The rea-son for the brake fluid loss must bechecked.
Related information
Brake Assist System (p. 404)
Auto-hold brakes (p. 409)
Hill Start Assist (p. 411)
Braking on wet roads (p. 405)
Braking on salted roads (p. 405)
Maintenance of the brake system(p. 405)
Brake lights (p. 165)
Brake Assist System The brake enhancing system, (BAS 3
), helps
increase braking force and can thereby reduce braking distance.
The system monitors the driver's braking hab- its and increases braking force when neces-sary. Braking force can be increased up to thepoint at which the ABS intervenes.
NOTE
When BAS is activated, depress and hold down the brake pedal as long as needed.
Related information
Brakes (p. 403)
2
Anti-lock Braking System
3 Brake Assist System

STARTING AND DRIVING
407
Symbol in the instrument panel
Symbol Meaning
A
BThe symbol will be illuminated when the parking brake is acti-vated. A flashing symbol indicates that a fault has been detected. Readthe message in the instrumentpanel.
A
Canadian models.
B US models.
Automatic activation
The parking brake is applied automatically when the ignition is switched off and the setting for automatically activating theparking brake is activated in the centerdisplay.
when the gear selector is moved to
P on a
steep hill.
if the auto-hold brake (automatic brake atstandstill) function is activated and
the vehicle has been stationary for aprolonged period of time (5-10minutes).
the vehicle is switched off.
the driver has left the vehicle.
Emergency braking
In an emergency, the parking brake can be activated when the vehicle is moving by pull-ing and holding up the control. The brakingprocess is canceled when the control isreleased or if the accelerator pedal isdepressed.
NOTE
In case of emergency braking at high speeds, a signal sounds during the brakeprocedure.
Deactivating the parking brake
Deactivating manually
The parking brake can only be deactivated if the engine is running.
1. Depress the brake pedal firmly. 2. Press the control.
> The parking brake will release and thesymbol in the instrument panel will go out.
Deactivating automatically
1. Start the vehicle.
2. Depress the brake pedal firmly. Move the gear selector to D or R and press the
accelerator pedal.
> The parking brake will release and the symbol in the instrument panel will go out.
NOTE
For automatic deactivation to be possible, the driver's seat belt must be buckled orthe driver's door closed.
Related information
Settings for automatically activating the parking brake (p. 408)
Parking brake malfunction (p. 408)
Parking brake (p. 406)
Parking on a hill (p. 408)

STARTING AND DRIVING
* Option/accessory.411
Hill Start Assist
The function for assisting when starting the vehicle on inclines (HSA 4
) helps prevent the
vehicle from rolling backward when starting on an uphill gradient. When backing up a hill,HSA helps prevent the vehicle from rollingforward.
The function retains pressure from the brake pedal in the brake system for several secondsafter the brake pedal has been released. This temporary braking effect is released after a few seconds or when the driver begins driv-ing. Hill Start Assist is activated when the vehicle is stopped on steep inclines. The function isavailable even when the Auto-hold brake func-tion is switched off.
Related information
Auto-hold brakes (p. 409)
Brakes (p. 403)
Braking assist after a collision
In a collision in which the activation level is reached for the pyrotechnic seat belt tension-ers or airbags, or if a collision with a large ani-mal is detected, the vehicle's brakes will beautomatically activated. This function isintended to help prevent or reduce the effectsof any subsequent collision.
After a serious collision, it may no longer be possible to control and steer the vehicle. Inorder to avoid or mitigate a possible furthercollision with a vehicle or an object in the vehi-cle's path, the brake assist system is activatedautomatically to help stop the vehicle safely. If braking is not appropriate, e.g. if there is a risk of being hit by passing traffic, the drivercan override the system by depressing theaccelerator pedal. This function assumes that the brake system is intact after a collision.
Related information
Rear Collision Warning
* (p. 351)
BLIS
* (p. 352)
Brake functions (p. 403)
Regenerative braking
*
The vehicle recovers kinetic energy during braking in order to reduce fuel consumptionand emissions.
The battery symbol is shown in the instrument panel when the vehicle is generating power for the battery 5
.
The function is available in all drive modes together with gear selector position D or M.
Activating brake regeneration
Brake regeneration is activated by gentle pres- sure on the brake pedal or during engine brak-ing. Regeneration increases during engine braking if manual gear selector position M is selected.
Related information
Drive modes
* (p. 419)
Shifting gears with automatic transmis-sion (p. 413)
4
Hill Start Assist
5 The symbol is used in vehicles with 48 V batteries.