2020 VOLVO XC90 TWIN ENGINE ECU

LOADING, STORAGE AND PASSENGER COMPARTMENT
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Fully open7-seat models 1.
Hang the third-row seat belt latches in the hooks provided in the side panels.
Grasp the handle and pull the cover out and above the side panels in the cargocompartment. Pull the cover to its endposition.
With the cover completely open (covering the cargo compartment), press the attach-ing pins at the end of the cover into thegrooves on the side panels and release thecover slightly while pressing the handlelightly downward to hook the pins into thegrooves.
> The cover will be secured in the fullyopen position. 5-seat models
Grasp the handle and pull the cover out and above the side panels in the cargocompartment. Pull the cover to its endposition.
With the cover completely open (covering the cargo compartment), press the attach-ing pins at the end of the cover into thegrooves on the side panels and release thecover slightly while pressing the handlelightly downward to hook the pins into thegrooves.
> The cover will be secured in the fully
open position.
CAUTION
Do not place objects on top of the cargo compartment cover.

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LOADING, STORAGE AND PASSENGER COMPARTMENT
* Option/accessory.
590
WARNING
In 7-seat models - never have a cargo com- partment cover mounted when there arepassengers in the rear seats. This couldlead to serious injury in the event of a colli-sion.
Loading mode
From the fully retracted position - grasp the handle and pull the cover up and overthe side panels in the cargo compartment.Pull to the end position and press theattaching pins at the end of the cover intothe grooves in the side panels of the vehi-cle. (If the cover is already fully open, seenext section.)
From the fully open position - grasp the handle and press the cover's attachingpins down into the grooves in the sidepanels and then release.
> Retract the cover until it stops in the
partially retracted position. If your hands are full:
In the fully open position, push the cover's handle slightly upward with e.g. yourelbow. >
The cover will retract until it stops in
the partially retracted position.
To fully open the cover from the partially retracted position:
1. Grasp the handle and pull the cover out as far as possible.
2. Let the cover retract slightly and press the handle slightly downward.
> The cover will be secured in the fullyopen position.
Retracting the cover
1. From the fully opened position:
Lift the cover's handle and pull it rearward to release the cover's attaching pins fromthe grooves. Let the cover retract. From the partially retracted position: Grasp the handle and pull the cover out of the groves to the fully open position. Liftthe handle and pull it rearward to releasethe cover's attaching pins from thegrooves. Let the cover retract.
2. Let the cover retract with its attaching pins above the side panels until it stops inthe fully retracted position.
Related information
Installing and removing the cargo com- partment cover
* (p. 588)

LOADING, STORAGE AND PASSENGER COMPARTMENT
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* Option/accessory.591
Installing and removing the steel cargo grid*
The steel cargo grid prevents loads or pets in the cargo compartment from being thrownforward into the passenger compartmentduring hard braking.
For safety reasons, the steel grid must always be installed and secured correctly.
WARNING
Under no circumstances may a person be in the cargo compartment when the vehi-cle is moving. Heavy braking or a collisioncould lead to serious injury.
The steel grid consists of the grid itself and two separate mounting brackets. Each of the mounting brackets has a screw cover and twoplastic sleeves for the grid.
WARNING
The steel cargo grid may only be used in the rear position described here. The ceil-ing attachment points behind the frontseats are not intended to anchor the steelgrid.
WARNING
For safety reasons, the third-row seats
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must be folded down when the steel cargo grid is mounted in the vehicle.
CAUTION
The steel cargo grid and the cargo com- partment cover cannot be mounted at thesame time.
Installation1. Fold down the rear seats and lift in the steel grid through one of the rear doors or the tailgate. The curved (convex) side ofthe grid should face toward the cargocompartment and the hooks on each sideof the grid should face upward. Themounting brackets and plastic sleeves arenot needed in this step. 2.
Press one of the grid's hooks into the larger hole in the ceiling attachment point(1). Grasp the grid near the hook and pull/push it into the smaller hole (2).
> The hook is now secured in the attach-
ment point.
3. Repeat step 2 above to secure the other hook in the attachment point on the oppo- site side.
WARNING
Make sure the cargo grid's hooks are securely attached in the ceiling attachmentpoints to help ensure the grid does notcome loose.
47-seat models only.

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LOADING, STORAGE AND PASSENGER COMPARTMENT
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592 4.
Attach the mounting bracket's hook through the cargo anchoring eyelet nearthe floor of the cargo compartment andinsert the threaded section of the bracketthrough the grid's lower attachment hole(1). Slide the plastic sleeve onto the threaded section of the mounting bracket with thesleeve's flange turned upward and press itdown through the hole. Screw the screwcover into place until its underside isapproximately 5 mm from the grid (2).
5. Repeat step 4 for the opposite side.
6. Center the grid and then tighten both mounting brackets, moving back and forth between them until the grid is securely inplace.
Removing the coverRemove the steel grid by performing theabove steps in reverse order. It can be a good idea to remove the mounting brackets before removing the plastic sleevesfrom the holes in the grid.
Related information
Loading recommendations (p. 585)
Load anchoring eyelets (p. 587)
Installing and removing the cargo net
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The cargo net helps prevent objects in the cargo compartment from entering the pas-senger compartment in the event of a suddenstop or hard braking.
The cargo net is attached at four points.
For safety reasons, the cargo net must always be mounted and secured according to the fol-lowing description. The net is made of strong nylon weave and can be attached in two different locations inthe vehicle:
Rear mounting - behind the second row ofseats.
Front mounting - behind the front seats.

LOADING, STORAGE AND PASSENGER COMPARTMENT
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WARNING
Objects in the cargo compartment must always be securely anchored, even with acorrectly installed cargo net.
Installing the cargo net
WARNING
All of the cargo net's upper consoles, hooks and straps must be securely moun-ted and attached before the net is used. Never use the net if it is damaged.
NOTE
With front mounting, the cargo net is most easily installed via a rear door.
1. Fold out the cargo net and make sure thatthe upper rod folds out and locks into position.
2. Insert one of the net's hooks into the front or rear ceiling mounting point with thestrap lock facing you. 3. Insert the net's other upper hook into the
ceiling mounting point on the oppositeside. The telescopic spring-loaded hooks make mounting easier. Make sure that the net's hooks are pushed forward as far as possible into theirrespective mounting points. 4.
Rear mounting.
For rear mounting: With the cargo net hooked into the rear ceiling mounting points, attach the net'sstraps into the front cargo anchoring eye-lets in the cargo compartment.

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MAINTENANCE AND SERVICE
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Turn the handle under the front edge of the hood counterclockwise to release thecatch and lift the hood.
Warning - hood not closedWhen the hood is released, a warn-ing symbol and graphic will be dis-played in the instrument panel andan audible signal will sound. If the
vehicle begins to roll, the audible signal will berepeated several times.
NOTE
If the warning symbol is illuminated or an audible warning signal sounds even thoughthe hood is securely closed, consult aworkshop - an authorized Volvo workshopis recommended.
Closing the hood1. Press down the hood until it begins to close under its own weight.
2. When the hood reaches the catch at the handle in the front edge of the vehicle, press down on the hood to close it com-pletely.
WARNING
Risk of injury! When closing, make sure that the hood is completely unobstructedand that no one can be injured.
WARNING
Make sure the hood locks securely after closing. It must audibly lock on both sides.
Hood not completely closed.
Hood completely closed.
WARNING
Never drive with the hood open! If this symbol appears, or anything else indicatesthat the hood is not com-pletely closed while driv-ing, stop immediately and
close it properly.
Related information
Engine compartment overview (p. 607)
Door and seat belt reminders (p. 53)

MAINTENANCE AND SERVICE
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Start battery
The vehicle has a single-pole electrical sys- tem that uses the chassis and engine mountas conductors. The start battery is used to start the electrical system and power electrical equipment in thevehicle. The hybrid battery is used to start thecombustion engine. The start battery should only be replaced by a workshop 17
.
The start battery is a 12 V AGM (Absorbed Glass Mat) battery, dimensioned for regenera-tive charging and to support the function ofthe vehicle's various systems. The service life and performance of the start battery are affected by factors such as drivingstyle, driving conditions, climate, battery dis-charges, number of starts, etc. Never disconnect the start battery while the engine is running.
Make sure the cables to the start batteryare correctly connected and the clampsare securely tightened.
WARNING
Batteries generate hydrogen gas, which is flammable and explosive.
Do not connect the jumper cable toany part of the fuel system or to anymoving parts. Avoid touching hotmanifolds.
Battery fluid contains sulfuric acid. Donot allow battery fluid to contact eyes,skin, fabrics or painted surfaces.
If contact occurs, flush the affectedarea immediately with water. Obtainmedical help immediately if eyes areaffected.
Never expose the battery to open flameor electric spark. Do not smoke nearthe battery. Failure to follow theinstructions for jump starting can leadto injury.
Connection points
WARNING
California Proposition 65 Operating, servicing and maintaining a pas- senger vehicle can expose you to chemi-cals including engine exhaust, carbon mon-oxide, phthalates, and lead, which areknown to the State of California to causecancer and birth defects or other reproduc-tive harm. To minimize exposure, avoidbreathing exhaust, do not idle the engineexcept as necessary, service your vehicle ina well ventilated area and wear gloves orwash your hands frequently when servicingyour vehicle. For more information go towww.P65Warnings.ca.gov/passenger-vehicle.
Use the vehicle's connection points in the engine compartment to connect an externalstart battery or battery charger. The battery terminals on the car's start battery in the luggage/cargo area must not be used.
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An authorized Volvo workshop is recommended.

MAINTENANCE AND SERVICE
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NOTE
If the starter battery becomes discharged too many times, it will shorten its servicelife. The service life of the starter battery is affected by several factors, such as drivingconditions and climate. The startingcapacity of the battery reduces graduallyover time. The battery must therefore berecharged if the vehicle is not used or along period of time or if it is only drivenshort distances. Severe cold further limitsthe starting capacity. To keep the starter battery in a good condi- tion, the vehicle should be driven at least15 minutes per week or the battery shouldbe connected to a battery charger withautomatic trickle charging. A starter battery that is always kept fully charged has the maximum service life.Location
The start battery is located in the cargo compart- ment.
WARNING
If the starter battery is disconnected, the function for automatic opening and closingmust be reset to function correctly. A resetis required in order for the pinch protectionto work.
CAUTION
On certain models, the battery is secured with a tensioning strap. Make sure that thetensioning strap is always securely tight-ened.
Specifications for start battery
Battery typeH8 AGM
Voltage (V) 12
Cold start capacity A
- CCA B
(A) 850