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NOTE
After a cold start, idle speed may be noticea-bly higher than normal for a short period. Thisis done to help bring components in theemission control system to their normal oper-ating temperature as quickly as possible,which enables them to control emissions andhelp reduce the vehicle's impact on the envi-ronment.
CAUTION
•When starting in cold weather, the auto-matic transmission may shift up at slightlyhigher engine speeds than normal untilthe automatic transmission fluid reachesnormal operating temperature.
•Do not race a cold engine immediatelyafter starting. Oil flow may not reachsome lubrication points fast enough toprevent engine damage.
•The engine should be idling when youmove the gear selector. Never accelerateuntil after you feel the transmissionengage. Accelerating immediately afterselecting a gear will cause harsh engage-ment and premature transmission wear.
•Selecting P or N when idling at a stand-still for prolonged periods of time will helpprevent overheating of the automatictransmission fluid.
Related information
•Ignition modes (p. 400)
•Turning the engine off (p. 404)
•Changing the remote key's battery (p. 235)
•Jump starting (p. 395)
Turning the engine off
The engine can be turned off using the startknob on the tunnel console.
Start knob in the tunnel console between the front seats
To turn off the engine:
–Turn the start knob toward STOP andrelease it to switch the engine off.
If the gear selector is in P or if the vehicle is mov-ing:
–Hold the knob in the STOP position until theengine stops.
Related information
•Starting the engine (p. 402)
•Ignition modes (p. 400)
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Charging cable components
Charge module
240-volt adapter clip
240-volt adapter
Charge coupler
Release button
Hybrid charging cable circuitbreaker
The charging cable has a circuit breaker thathelps protect against current overloads andelectrical shocks.
If the charging cable's residual current breaker istriggered, the blue indicator light in the chargecoupler will not illuminate when the cable is plug-ged into a 120-/240-volt socket or the red indi-cator light will glow steadily. Have the socketchecked by a licensed electrician or try usinganother 120-/240-volt wall socket.
WARNING
•Charging the hybrid battery may only bedone from approved, grounded 120-/240-volt sockets. If the electrical circuitor electrical socket's capacity is notknown, let a licensed electrician inspectthe electrical circuit's capacity. Using acharge level that exceeds the electricalcircuit's or electrical outlet's capacity maystart a fire or damage the electrical cir-cuit.
•The charging cable's residual currentbreaker helps protect the vehicle's charg-ing system but cannot ensure that an cur-rent overload will never occur.
•Never use visibly worn or damaged elec-trical sockets. Doing so could lead to firesor serious injury.
•Never connect the charging cable to anextension cord.
•Maintenance or replacement of the hybridbattery may only be performed by atrained and qualified Volvo service techni-cian.
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Preparations for charging the hybridbattery
Several preparatory steps should be takenbefore starting to charge the hybrid battery.
WARNING
•The charging cable must be groundedwhen in use. It is equipped with a cordwith a grounding conductor and agrounding plug. The plug must beinserted into an appropriate outlet that isproperly installed and grounded inaccordance with all local codes and ordi-nances and is not damaged in any way
•Children should be supervised when inthe vicinity of the charging cable when itis plugged in
•High voltage is present in your electricmeter housing and power distributionservice panel. Contact with high voltagecan cause death or serious personalinjury
•Do not use the charging cable if it isdamaged in any way
•Always position the charging cable sothat it will not be driven over, stepped on,tripped over or otherwise damaged, orcause personal injury
•Disconnect the charger from the wall out-let before cleaning it
•Never connect the charging cable to anextension cord or a multiple plug socket
•If the hybrid battery needs to be replaced,this may only be done by Volvo retailer orauthorized Volvo workshop
Also, refer to the manufacturer's instructionsfor using the charging cable and its compo-nents.
Prior to charging
The charging cable and any of its componentsshould not be wet or submerged in any liquid.
The charge module or its plug should not beexposed to direct sunlight. This could cause theunit's overheating protector to reduce or stop thehybrid battery charging process.
Be sure the 120-/240-volt socket used has ade-quate current for charging electrically poweredvehicles. Have the socket checked by an licensedelectrician if you are uncertain.
Opening/closing the charger door
Press in the rear section of the door andrelease it.
Open the door.
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Related information
•Charging the hybrid battery (p. 413)
•Hybrid battery charge status (p. 415)
•Hybrid battery charging cable (p. 405)
Initiating hybrid battery charging
The hybrid battery is charged using a chargingcable connected to a 120-/240-volt socket.
Only use the cable provided with your vehicle orone purchased from a Volvo retailer.
CAUTION
Never connect the charging cable if there is arisk of thunderstorms/lightning.
Take out the charging cable, which is stored inthe compartment under the floor of the cargoarea.
Connect the charging cable to a120-/240-volt socket. Never use an exten-sion cord.
Open the charging door, remove the charg-ing socket's protective cover and connect thecharging cable's charge coupler.
Place the charging socket's protective coveron the holder provided on the chargingsocket door.
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NOTE
The capacity of the hybrid battery diminishessomewhat with age and use, which couldresult in increased use of the gasoline engineand consequently, slightly higher fuel con-sumption.
Charging is indicated in three ways:
•Charge module (the unit that is plugged intothe wall socket): The blue indicator light onthe cable's charge module will flash red sev-eral times when the unit is plugged into awall socket while a safety check is being per-formed and will then glow steadily blue toindicate that the charger is ready to use.
•A green indicator light in the vehicle's charg-ing socket will flash green while the batteryis charging and will glow steadily green whenthe hybrid battery is fully charged. The blueindicator light in the charge module will alsoflash while charging is underway and willglow steadily blue when charging is comple-ted.
•A gauge in the instrument panel will alsoindicate the battery's charge level.
The hybrid battery charging process also chargesthe vehicle's start battery.
If the hybrid battery's temperature is below –13 ºF (–10 ºC) or above +104 ºF (+40 ºC), someof the vehicle's functions may be reduced or not
be available at all (e.g., drive mode may not beavailable).
The electric motor cannot be used if the hybridbattery's temperature is too low or too high. If thePURE drive mode is selected, the gasolineengine will be used.
Temperature control
During charging, if the temperature in the charg-ing cable becomes too high and reaches a criticallimit, charging will be interrupted.
CAUTION
If charging is interrupted repeatedly, have thecharging cable and the vehicle's chargingsystem inspected by a trained and qualifiedVolvo service technician.
Charging using the gasoline engine
Current is generated to charge the hybrid battery, suchas light braking and when engine braking on down-slopes
Using the B gear mode when driving on down-slopes will also recharge the hybrid battery.
The hybrid battery can also be charged by thegasoline engine. During light braking, the batteryis recharged.
Related information
•Drive modes (p. 420)
•General information about the XC90 T8 TwinEngine Plug-in Hybrid (p. 16)
•Hybrid battery charging cable (p. 405)
•Gear selector positions (p. 425)
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Hybrid battery charge status
The hybrid battery's charge status (level) is indi-cated by an LED light in the vehicle's chargingsocket and in the instrument panel.
Indicator LED in the vehicle's charging
socket
LED indicator light in the charging socket
The LED indicator light shows the current chargestatus while charging is underway. White, red, yel-low or yellow lights are activated when the pas-senger compartment lighting illuminates andremain on for a short time after the passengercompartment lighting has gone out.
LEDindica-tor light'scolor
Explanation
WhiteCourtesy light
YellowStandby mode (e.g., after a doorhas been opened or if thecharger coupling is not lockedin position in the chargingsocket): waiting for charging tobegin
FlashinggreenCharging is in progress (theslower the light flashes, thecloser the battery is to beingfully charged)
GreenCharging completed (the lightwill go out after a short time)
RedA fault has occurred
Charge status in the instrument panel
Charging status is indicated in the instrumentpanel using graphics and text. This information isdisplayed for as long as the instrument panel isactive.
If the instrument panel is not used for a shortperiod, it will switch off to help save electrical cur-rent and can be reactivated by:
•Pressing the brake pedal
•Opening one of the doors
•Turning the start knob to ignition mode I
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GraphicMessageExplanation
Fullychargedat:[Time] isdisplayedwith ananimatedblue puls-ing lightthroughthechargingcable.
Charging is in pro-gress and the approx-imate time when thebattery will be fullycharged will be dis-played.
GraphicMessageExplanation
Charg-ing com-plete isdisplayed.An imagewill besuperim-posedover thegraphic ofthe vehi-cle with agreenLEDindicatorlight inthechargingsocket.
The battery is fullycharged.
Charg-ing errorwill bedisplayedand theLED indi-cator lightin thechargingsocketwill bered.
A fault has occurred.Check that the charg-ing cable is correctlyconnected to thevehicle's chargingsocket and the120-/240-volt socket.
Related information
•Hybrid battery charging cable (p. 405)
•Charging the hybrid battery (p. 413)
•Preparations for charging the hybrid battery(p. 410)
•Stopping hybrid battery charging (p. 411)
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Charger status indicators
The red and blue lights in the charging cable'scharge module give an indication of the chargestatus.
Charge module: 1. red warning light, 2. blue status indi-cator
Red warning light
•When the charge module is initially pluggedinto a wall socket, the red warning light willflash once to indicate that a startup safetycheck has been performed. When the safetycheck has been completed, the blue statusindicator will glow steadily and the red warn-ing light will be off.
•If the red warning light continues to flash orglows steadily, a fault has been detected andthe charger will not deliver power to the vehi-cle. Contact a Volvo retailer or a trained andqualified Volvo service technician.
Blue status indicator
•When the charge module is plugged into awall socket, the blue status indicator illumi-nates and glows steadily to show that thecharger is ready to use.
•When the charge coupler (the plug on theother end of the charging cable) has beenplugged into the vehicle's charging socket,the blue status indicator will flash once.
•The blue status indicator will then flashapproximately every two seconds to indicatethat charging is taking place.
•When the indicator light glows steadily, thisindicates that charging has been completed.This will also be indicated by the charginggauge on the instrument panel.
When charging is completed, press the releasebutton on the charge coupler and disconnect itfrom the vehicle.
Unplug the charge module from the wall socket.
Related information
•Hybrid battery charging cable (p. 405)
•Hybrid battery charge status (p. 415)
•Hybrid charging cable circuit breaker(p. 407)
•Hybrid-related symbols and messages(p. 408)
Hybrid battery charging current
Charging current is used to charge the hybridbattery and to precondition the vehicle. Chargingis done through a cable connected between thevehicle's charging socket and a120-/240-volt socket.
When charging is in progress, an indicator light inthe charging socket illuminates to indicate thecharging status. Charging current is primarilyused to recharge the hybrid battery and to pre-condition the vehicle but is also used to rechargethe vehicle's start battery.
CAUTION
Never disconnect the charging cable from the120-/240-volt socket while charging is inprogress. This could damage the socket.
Always stop the charging process (by unlock-ing the vehicle) and disconnect the chargingcable from the vehicle's charging socketbefore disconnecting the other end from the120-/240-volt socket being used.