2016 VOLVO XC90 T8 engine

MAINTENANCE AND SERVICING
496
Replacing bulbs
The halogen headlight bulbs can be replaced by the owner.
Before the bulbs can be replaced, that plastic covering over the headlight housing has to beremoved.
To do so:
Lift the rubber strip by pressing in toward the engine compartment.
Release the pins in the plastic covering's four clips by pressing them down with ascrewdriver or similar object and remove thecovering.
The turn signal, high/low beam, Daytime RunningLight and parking light bulbs will be accessiblewhen the plastic covering has been removed. Put the covering back in place in the reverse order.
NOTE
The pins in the clips have to be pressed back completely before the clips are placed in theplastic covering. When the covering is put back in place, the pins must be pressed so that their upper sur-face is flush with the surface of the clip.
NOTE
• For information regarding any bulbs not mentioned in this section, please contactyour Volvo retailer or a trained andauthorized Volvo service technician.
• Always switch off the ignition before star-ting to replace a bulb.
• If an error message remains in the dis-play after a faulty bulb has been replaced,contact an authorized Volvo workshop.
• Condensation may form temporarily onthe inside of the lenses of exterior lightssuch as headlights, fog lights, or taillights.This is normal and the lights aredesigned to withstand moisture. Normally,condensation will dissipate after thelights have been on for a short time.
• The optional Active Bending Light bulbscontain trace amounts of mercury. Thesebulbs should always be disposed of by atrained and qualified Volvo service techni-cian.
CAUTION
Never touch the glass of bulbs with your fin- gers. Grease and oils from your fingers vapor-ize in the heat and will leave a deposit on thereflector, which will damage it.

MAINTENANCE AND SERVICING
497
WARNING
•The ignition should be switched off com- pletely (be in ignition mode
0) when
replacing bulbs.
• If the engine has been running just prior to replacing bulbs in the headlight hous-ing, please keep in mind that componentsin the engine compartment will be hot.
Front bulbs (vehicles with halogen headlights)
Side marker light
Low beam
High beam
Parking light/Daytime Running Light
Turn signal
(Not in use)
Taillight bulbs
Brake light (LED)
Side marker light (LED)
Backup light 2
Taillight (LED)
Turn signal (LED)
Fog light (LED)
High-mounted brake light (LED)
Related information
•
Bulb specifications (p. 501)
• Removing the rectangular headlight cover (p. 498)
• Replacing parking light bulbs (p. 500)
• Replacing front turn signal bulbs (p. 500)
• Replacing High Beam headlight bulbs(p. 499)
• Replacing low beam headlight bulbs (p. 498)
2
Must be replaced by a trained and qualified Volvo service technician.

MAINTENANCE AND SERVICING
}}}}
505
Hood completely closed
Related information
•Engine compartment overview (p. 505)
• Door and seat belt reminders (p. 67)
Engine compartment overview
The engine compartment overview shows some maintenance points.
Some of the components in the vehicle's electri- cal drive system are located in the engine com-partment.
WARNING
• Orange cables should only be handled by a trained and qualified Volvo service tech-nician.
• A number of the vehicle's componentsuse high voltage and can be very danger-ous if handled improperly.
• Do not touch any components that havenot been clearly described/explained inthis manual.
• Use caution when checking/refilling flu-ids in the engine compartment.
• The cooling fan (located at the front ofthe engine compartment, behind the radi-ator) may start or continue to operate (forup to 6 minutes) after the engine hasbeen switched off.
• Engine cleaning should only be done by aworkshop. If engine cleaning agents areused when the engine has been running,there may a fire risk.
• Before performing any operations in theengine compartment, the ignition shouldalways be completely switched off (in mode
0) and there should be no remote
keys in the passenger compartment. Thegear selector should be in the P (park)
position. If the engine has been running, wait until it has cooled before touchingany components in the engine compart-ment.

||
MAINTENANCE AND SERVICING
506
•The distributor ignition system operates at very high voltages. Special safety pre-cautions must be followed to prevent injury. Always turn the ignition
off when
replacing distributor ignition components e.g. plugs, coil, etc.
• Do not touch any part of the distributorignition system while the engine is run-ning. This may result in unintended move-ments and body injury.
The layout of the engine compartment may differ slightly from model to model
Coolant expansion tank
Brake fluid reservoir
Washer fluid reservoir
Relay/fuse box
Air cleaner
Engine oil filler cap
Related information
• Ignition modes (p. 370)
• Opening and closing the hood (p. 504)
• Refilling the windshield washer fluid reservoir (p. 511)
Engine oil
The correct oil must be used for the stated oil change (service) intervals to apply.
Volvo recommends:

MAINTENANCE AND SERVICING
}}
507
CAUTION
•Not checking the oil level regularly can result in serious engine damage if the oillevel becomes too low.
• Oil that is lower than the specified qualitycan damage the engine.
• Volvo does not recommend the use of oiladditives.
• Always add oil of the same type and vis-cosity as already used.
• Oil changes should be carried out by atrained and qualified Volvo service techni-cian.
• Using oil of higher than the specifiedquality is permitted and may be neces-sary for demanding driving.
Also, refer to the Warranty and Service Records information booklet for information on oil changeintervals and oil specifications.
Related information
•
Checking and refilling engine oil (p. 507)
Checking and refilling engine oil The oil level is checked electronically.
Oil filler cap 3
It may be necessary to top up engine oil between regularly scheduled services. No action is necessary until a message is dis- played in the instrument panel.
WARNING
•
Do not allow oil to spill onto or come into contact with hot exhaust pipe surfaces.
• If
Engine oil level Service required is
displayed, have the vehicle checked by a trained and qualified Volvo service techni-cian. The oil level may be too high.
Checking the oil levelThe oil level can be checked in the center display when theengine is not running. From the center display's Home view, swipe the screenfrom right to left to open App
view. Tap
Car status and then tap Status to
show the oil level.
Oil level graphic in the center display
The oil level should be checked at regular inter- vals, particularly during the period up to the firstscheduled maintenance service. If the oil level sensor indicates that the level is too low, using the correct oil, top up with theamount of oil indicated as soon as possible.
3 Models with an electronic oil level sensor do not have a dipstick.

||
MAINTENANCE AND SERVICING
508
NOTE
•The system cannot detect changes in the oil level immediately. The vehicle must bedriven approximately 20 miles (30 km) orhave been parked on level ground withthe engine off for 5 minutes before theoil level reading will be correct.
• If the necessary conditions are not metfor checking the oil level electronically(time interval after the engine wasswitched off, if the vehicle is parked on an incline, etc.),
No values available will
be displayed. This does not indicate a
problem with the oil level sensor.
Related information
• Engine oil (p. 506)
• Ignition modes (p. 370)
Windshield wipers in the service position
The windshield wiper blades must be in the verti- cal (service) position for replacement, washingor to lift them away from the windshield whene.g., removing ice or snow.
Wipers in the service position
CAUTION
Be sure the wiper blades are not frozen in position before attempting to move them tothe service position.
Putting the windshield wipers in the service position
The service position can be activated while the vehicle is stationary and the wipers are not acti-vated. The service position can be activated in two waysfrom the center display:
Via Function view
–From Function view, tap the Wiper Service
Position button. The indicator light in the
button will illuminate when the service posi- tion is activated.
> The windshield wipers will move to the vertical position.
Via Settings
1. Tap Settings in the center display's Top
view.
2. Tap
My CarWipers
3.Tap the Wiper Service Position box.
> The windshield wipers will move to the vertical position.
Deactivating service positionThe service position can be deactivated in two ways from the center display:

MAINTENANCE AND SERVICING
}}
* Option/accessory, for more information, see Introduction.511
Refilling the windshield washer fluid reservoir
Washer fluid helps keep the windshield and headlights clean.
The windshield and headlight washers * share a
common reservoir. Open the blue cap to refill washer fluid (see the illustration for the locationof the reservoir). During cold weather, the reservoir should be filled with windshield washer solvent containing anti-freeze. Use Volvo Original Washer Fluid or theequivalent with a recommended pH valuebetween 6 and 8 in a 1:1 solution. When there is approx. 1 qt (1 liter) of washer fluid remaining in the reservoir, a text message and the
symbol will be displayed in the
instrument panel.
Related information
• Opening and closing the hood (p. 504)
• Engine compartment overview (p. 505)
Cleaning the exterior
The vehicle should be washed at regular inter- vals since dirt, dust, insects and tar spotsadhere to the paint and may cause damage. Tohelp prevent corrosion, it is particularly importantto wash the car frequently in the wintertime.
Hand washingThe following points should be kept in mind when washing and cleaning the car: • Avoid washing your car in direct sunlight. Doing so may cause detergents and wax todry out and become abrasive. To avoidscratching, use lukewarm water to soften thedirt before you wash with a soft sponge, andplenty of sudsy water.
• Bird droppings
: Remove from paintwork as
soon as possible. Otherwise the finish maybe permanently damaged.
• A car washing detergent can be used tofacilitate the softening of dirt and oil.
• Dry the car with a clean chamois andremember to clean the drain holes in thedoors and rocker panels.
• Tar spots can be removed with tar removerafter the car has been washed.
• A stiff-bristle brush and lukewarm soapywater can be used to clean the wiper blades.Frequent cleaning of the windshield andwiper blades improves visibility considerablyand also helps prolong the service life of thewiper blades.

MAINTENANCE AND SERVICING
}}
513
CAUTION
•Before driving into an automatic car wash, turn off the optional rain sensor toavoid damaging the windshield wipers.
• Make sure that side view mirrors, auxiliarylamps, etc, are secure, and that anyantenna(s) are retracted or removed. Oth-erwise there is risk of the machine dis-lodging them.
• Chromed wheels:
Clean chrome-plated
wheels using the same detergents usedfor the body of the vehicle. Aggressivewheel-cleaning agents can permanentlystain chrome-plated wheels.
WARNING
• When the vehicle is driven immediately after being washed, apply the brakes,including the parking brake, several timesin order to remove any moisture from thebrake linings.
• Engine cleaning agents should not beused when the engine is warm. This con-stitutes a fire risk.
Exterior componentsVolvo recommends the use of special cleaning products, available at your Volvo retailer, forcleaning colored plastic, rubber, or ornamentalcomponents such as chromed strips on the exte- rior of your vehicle. The instructions for usingthese products should be followed carefully. Sol-vents or stain removers should not be used.
CAUTION
•
Avoid waxing or polishing plastic or rub- ber components
• Polishing chromed strips can wear awayor damage the surface
• Polishes containing abrasive substancesshould not be used
Related information
•Paint damage (p. 516)
• Corrosion protection (p. 516)
• Polishing and waxing (p. 518)
• Windshield wipers in the service position (p. 508)
Cleaning the interior
Only use cleaning agents and car care products recommended by Volvo. Clean regularly and fol-low the instructions included with the car careproduct.
CAUTION
• Under no circumstances should gasoline, naphtha or similar cleaning agents beused on the plastic or the leather sincethese can cause damage.
• Take extra care when removing stainssuch as ink or lipstick since the coloringcan spread.
• Use solvents sparingly. Too much solventcan damage the seat padding.
• Start from the outside of the stain andwork toward the center.
• Sharp objects (e.g. pencils or pens in apocket) or Velcro fasteners on clothingmay damage the textile upholstery.
• Clothing that is not colorfast, such asnew jeans or suede garments, may stainthe upholstery.
Fabric upholstery and ceiling linerClean with soapy water or a detergent. For more difficult spots caused by oil, ice cream, shoe pol-ish, grease, etc., use a clothing/fabric stainremover. Consult your Volvo retailer.