2020 VOLVO S90 Quick Guide

MAINTENANCE AND SERVICE
}}
567
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 the starter motor andother electrical equipment in the vehicle. The start battery should only be replaced by a workshop 22
.
The vehicle has a voltage-regulated alternating current generator. The start battery is a 12 V battery, dimen- sioned for the carbon dioxide-reducing func-tions Start/Stop and regenerative chargingand to support the function of the vehicle'svarious 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.
If the start battery is being charged, the sup-port battery will also be charged.
21 LED (Light Emitting Diode)
22 An authorized Volvo workshop is recommended.

||
MAINTENANCE AND SERVICE
568
Positive connection point
Negative connection point
CAUTION
Only a modern battery charger with con- trolled charge voltage should be used tocharge the starter battery and support bat-tery. The rapid charging function shouldnot be used as this could damage the bat-tery.
CAUTION
Failure to observe the following could cause the infotainment energy save modeto temporarily stop working and/or a mes-sage in the driver's display regarding thestate of charge of the starter battery maybe temporarily incorrect after an externalstarter battery or battery charger has beenconnected:
The negative battery terminal of thevehicle's starter battery must
never be
used to connect an external starterbattery or battery charger – only thevehicle's negative charging pointshould be used as a grounding point.
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.

MAINTENANCE AND SERVICE
}}
569
Location
The start battery is located in the trunk.
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 type H7 AGMH8 AGM
Voltage (V) 12 12
Cold start capacity A
- CCA B
(A) 800
850
Dimensions, L×W×H 315×175×190 mm (12.4×6.9×7.5 inches) 353×175×190 mm (13.9×6.9×7.5 inches)
Capacity (Ah) 80 95
A
According to EN standard.
B Cold Cranking Amperes.
Volvo recommends that batteries are replaced by an authorized Volvo workshop.

||
MAINTENANCE AND SERVICE
570
CAUTION
If replacing the battery, make sure you replace it with a battery of the same size,cold start capacity and type as the originalbattery (see the decal on the battery).
Related information
Battery symbols (p. 572)
Support battery (p. 571)
Jump starting using another battery (p. 420)
Reset procedure for pinch protection(p. 163)
Battery recycling (p. 573)

MAINTENANCE AND SERVICE
}}
571
Support battery Vehicles with the Start/Stop function are equipped with two batteries – a more power-ful 12 V start battery and a support batterythat provides stronger current during thefunction's start sequence.
The 12 V support battery is located in a box next to the spring strut in the engine compartment.
NOTE
The higher the current consumption in the vehicle, the more the alternator hasto work and the batteries have to becharged = increased fuel consumption.
When the starter battery capacity hasdropped below the lowest permissiblelevel, the Start/Stop function is disen-gaged.
When the Start/Stop function is temporarily reduced due to high current consumption: The engine will auto-start, even if the driver does not lift their foot from thebrake pedal.
The support battery does not normally requiremore service than the start battery. If you haveany questions or concerns, consult a work-shop ‒ an authorized Volvo workshop is rec-
ommended.
CAUTION
If the following is not observed, the Start/ Stop function may temporarily stop work-ing after connection of an external starterbattery or battery charger:
The negative battery terminal of thevehicle's starter battery must
never be
used to connect an external starterbattery or battery charger – only thevehicle's negative charging pointshould be used as a grounding point.
NOTE
If the starter battery has been discharged to the extent that the vehicle does not havenormal electrical functions and the enginemust then be jump-started with an externalbattery or a battery charger, the Start/Stopfunction may remain activated. If the Start/Stop function shortly thereafter auto-stopsthe engine, there is a huge risk that auto-start of the engine will fail due to insuffi-cient battery capacity since the battery hadnot had time to recharge. If the vehicle has been jump-started or if there has not been enough time for thebattery to be charged with a batterycharger, the Start/Stop function should betemporarily deactivated until the batteryhas been recharged by the vehicle. At anambient temperature of about +15°C(about 60°F), the battery must be chargedby the vehicle for at least one hour. Atlower ambient temperatures, the chargingtime can increase to 3-4 hours. It is advisa-ble to charge the battery with an externalbattery charger.
Specifications for support battery
Type AGM
Voltage (V) 12

||
MAINTENANCE AND SERVICE
572
Cold start capacityA
-
CCA B
(A) 170
Dimensions, L×W×H 150×90×130 mm
(5.9×3.5×5.1 inches)
Capacity (Ah) 10
A According to EN standard.
B Cold Cranking Amperes.
CAUTION
If replacing the battery, make sure you replace it with a battery of the same size,cold start capacity and type as the originalbattery (see the decal on the battery).
Related information
Start battery (p. 567)
Start/Stop function (p. 404)
Battery symbols (p. 572)
Battery recycling (p. 573)
Battery symbols
There are warning symbols and information on the batteries.
Wear protective goggles.
See the Owner's Manual
for additional information.
Keep batteries away from children.
Batteries contain corro-sive acid.
Avoid smoking, open
flames, and/or sparks.
Risk of explosion.
Recycle properly.
Related information
Start battery (p. 567)
Support battery (p. 571)
Battery recycling (p. 573)

MAINTENANCE AND SERVICE
573
Battery recycling Start batteries and support batteries contain lead and must be recycled in an environmen-tally sound manner at the end of their servicelife.
Consult a workshop if you are uncertain of how to dispose of this type of waste ‒ an
authorized Volvo workshop is recommended.
Related information
Start battery (p. 567)
Support battery (p. 571)
Battery symbols (p. 572)
Fuses and fuseboxes All electrical functions and components are protected by a number of fuses in order toprotect the vehicle's electrical system fromdamage by short circuiting or overloading.
WARNING
Never use a foreign object or a fuse with a higher amperage than that specified toreplace a fuse. This could cause significantdamage to the electrical system and possi-bly lead to a fire.
If any electrical component or function is not responding, the component may have blown afuse due to temporary overload. If the samefuse blows repeatedly, there may be a prob-lem with the component. Volvo recommendscontacting an authorized Volvo workshop tohave the component checked.
Location of fuseboxes
The illustration is generic - appearance may vary according to vehicle model.
Engine compartment
Under the glove compartment
Trunk/cargo compartment
Related information
Replacing fuses (p. 574)
Fuses in the trunk (p. 586)
Fuses in the engine compartment (p. 575)
Fuses under the glove compartment(p. 580)

MAINTENANCE AND SERVICE
574
Replacing fuses
All electrical functions and components are protected by a number of fuses in order toprotect the vehicle's electrical system fromdamage by short circuiting or overloading.
1. Refer to the fuse diagram to locate the fuse.
2. Pull out the fuse and examine it from the side to determine if the curved metal wire in the fuse is intact.
3. If the wire is broken, replace the fuse with a new fuse of the same color and amper-age.
WARNING
Never use a foreign object or a fuse with a higher amperage than that specified toreplace a fuse. This could cause significantdamage to the electrical system and possi-bly lead to a fire.
WARNING
Contact an authorized Volvo workshop for assistance replacing fuses not listed in theOwner's Manual. If fuse replacement isperformed incorrectly, significant damagecan be caused to the electrical system.
Related information
Fuses and fuseboxes (p. 573)
Fuses in the trunk (p. 586)
Fuses in the engine compartment (p. 575)
Fuses under the glove compartment(p. 580)