2017 VOLVO S90 battery

STARTING AND DRIVING
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Selecting a drive mode
1.Press the DRIVE MODE control in the tun-
nel console.
> A pop-up menu will open in the center display.
2. Roll the control upward or downward to scroll to the desired drive mode.
3. Press the control again to select it. A drive mode can also be selected by tapping its button on the center display.
> The selected drive mode will be displayedin the instrument panel.
When a drive mode cannot be selected, one of the following messages may be displayed: •
Not possible to select due to gear in manual
•Not possible to select due to low battery
•Not possible to select due to low temperature
•Not possible to select due to limitations
•Not possible to select due to high speed.
Available drive modes
COMFORT
This is the default mode. When the engine is started, COMFORT drive mode will be selected and the Start/Stop func-tion will be activated. This setting offers drivingcomfort, light steering and relatively soft suspen-sion.
ECO
ECO drive mode is designed to help promote fuel-efficient driving. In this mode, Start/Stop is activated and certain climate system functions will be reduced. There is an ECO gauge in the instrument panel to indicate the current level of fuel-efficiency. Seealso the article "ECO drive mode."
DYNAMIC
Dynamic drive mode is designed to provide
sportier driving characteristics. Gear shifting will be faster and more distinct and will occur athigher rpm. Steering response will be more immediate and the suspension will be stiffer 3
to help reduce
body roll when cornering.
Start/Stop will be
deactivated.
3 Models equipped with Four-C only.

STARTING AND DRIVING
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* Option/accessory.381
Related information
•Conditions for Start/Stop (p. 381)
• Start/Stop (p. 379)
Conditions for Start/Stop
Certain conditions must be met for the Start/ Stop feature to function. If a condition is not met,this will be indicated in the instrument panel.
The engine does not auto-stopIn certain situations or conditions, the engine may not auto-stop when the vehicle comes to a
standstill, such as when:
• the vehicle has not reached a speed of approx. 8 mph (12 km/h) after starting.
• after several auto-stops, the speed mustagain exceed approx. 8 mph (12 km/h)before the next auto-stop.
• the driver's seat belt is unbuckled.
• the main battery's charge is below the mini-mum level.
• the engine has not reached its normal oper-ating temperature.
• the ambient temperature is below approx.23°F (-5°C) or above approx. 85°F (30°C).
• the windshield's heating function
* is acti-
vated.
• the climate system cannot keep the desiredsettings in the passenger compartment.
• the vehicle is backing up.
• the main battery's temperature is above orbelow the permitted limits.
• the driver is turning the steering wheel hard. •
the road's incline is very steep.
• the hood is opened.
• the transmission has not reached its normaloperating temperature.
• driving at high altitude and the engine hasnot reached its normal operating tempera-ture.
• the gear selector is in the manual shiftingposition.
• the ABS brakes have activated.
• hard braking (even if the ABS brakes havenot activated).
• many starts during a short time period havetriggered the starter motor's overheating pro-tection.
• a trailer's electrical system is connected tothe vehicle's electrical system.
The engine does not auto-startIn certain situations or conditions, the engine may not auto-start
after an auto-stop, such as:
• if the driver is not wearing a seat belt
• the gear selector is in the
P position and the
driver's door is open. The engine must be started normally.
The engine auto-starts while the brake pedal is depressed
In the following situations, the engine will auto-
start even though the brake pedal is depressed:

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STARTING AND DRIVING
382•
condensation forms on the inside of the win- dows.
• the climate system cannot keep the desiredsettings in the passenger compartment.
• electrical current consumption is temporarilyhigh or the main battery's charge is belowthe minimum level.
• the brake pedal is pumped repeatedly.
• the hood is opened.
• the vehicle begins to move or increasesspeed slightly (if the engine auto-stoppedbefore the vehicle was at a standstill).
• the driver's seat belt is unbuckled while the gear selector is in the
D or N positions.
• the gear selector is moved from
D to R or ±.
• the driver's door is opened with the gearselector in
D: an audible signal and a text
message will inform the driver that the igni- tion is on.
WARNING
Do not open the hood if the engine has auto- stopped. The engine could suddenly auto-start. Before opening the hood:
• Switch off the ignition by turning the start knob in the tunnel console toward
STOP.
• Be aware that if the engine has been run- ning, components in the engine compart-ment will be very hot.
Related information
• Using the Start/Stop function (p. 379)
Automatic transmission
The automatic transmission has 8 forward gears and shifts up or down based on the level ofacceleration, speed and engine speed (meas-ured in revolutions per minute - rpm). Manualshifting is also possible. The gear indicator in theinstrument panel shows the gear currently beingused or gear shift mode.
CAUTION
The transmission

STARTING AND DRIVING
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* Option/accessory.383
Related information
•Gear selector positions (p. 384)
• Gear shift indicator (p. 384)
• Shiftlock (p. 383)
• Steering wheel paddles
* (p. 386)
• All Wheel Drive (AWD) (p. 387)
Shiftlock The automatic transmission's shiftlock feature helps prevent inadvertently moving the gearselector between different positions.
There are two different types of shiftlock: mechanical and automatic.
Mechanical shiftlock
The gear selector can be moved back and forth freely between
N and D. There is a mechanical
shiftlock for the other positions. To move the gear selector to between P, R , N
and D, press the button on the front of the gear
selector (see the illustration).
Automatic shiftlock
From Park – P
In order to move the gear selector from the P
position, the brake pedal must be depressed and the ignition must be in mode II.
From neutral – N
If the gear selector is in N and the vehicle has
been stationary for more than 3 seconds (regard- less of whether or not the engine is running), theshiftlock feature will lock the gear selector in thisposition. In order to move the gear selector from the N
position, the brake pedal must be depressed and the ignition must be in mode II.
Shiftlock override
If the vehicle cannot be driven (e.g., due to a dis- charged battery), the shiftlock feature has to beoverridden in order to move the gear selector

MAINTENANCE AND SERVICING
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469
Emission inspection readiness
How do states use OBD II for emission
inspections?
Many states connect a computer directly to a vehicle's OBD II system. The inspector can thenread "faults." In some states, this type of inspec-tion has replaced the tailpipe emission test.
How can my vehicle fail OBD II emission
inspection?
Your vehicle can fail OBD II emission inspection for any of the following reasons.
• If your Check Engine (MIL) light is lit, yourvehicle may fail inspection.
• If your vehicle's Check Engine light was lit,but went out without any action on your part,OBD II will still have a recorded fault. Yourvehicle may pass or fail, depending on theinspection practices in your area.
• If you had recent service that required dis-connecting the battery, OBD II diagnosticinformation may be incomplete and "notready" for inspection. A vehicle that is notready may fail inspection.
How can I prepare for my next
OBD II
emission inspection?
• If your Check Engine (MIL) light is lit – or was lit but went out without service, have your vehicle diagnosed and, if necessary, servicedby a qualified Volvo technician.
• If you recently had service for a lit CheckEngine light, or if you had service thatrequired disconnecting the battery, a periodof driving is necessary to bring the OBD IIsystem to "ready" for inspection. Two half-hour trips of mixed stop-and-go/highwaydriving are typically needed to allow OBD II toreach readiness. Your Volvo retailer can pro-vide you with more information on planning atrip.
• Maintain your vehicle in accordance with yourvehicle's maintenance schedule.
Owner maintenancePeriodic maintenance requirements and intervalsare described in your vehicle's Warranty andService Records Information booklet. The following points can be carried out between the normally scheduled maintenance services.
Each time the car is refueled:
•Check the engine oil level.
• Clean the windshield, windshield wipers, headlights, and taillights.
Monthly:
• Check cold tire pressure in all tires. Inspect the tires for wear.
• Check that engine coolant and other fluidlevels are between the indicated "min" and"max" markings.
• Clean interior glass surfaces with a glasscleaner and soft paper towels.
• Wipe driver information displays with a softcloth.
• Visually inspect battery terminals for corro-sion. Corrosion may indicate a loose terminalconnector, or a battery near the end of itsuseful service life. Consult your Volvo retailerfor additional information.
As needed:
Wash the car, including the undercarriage, to reduce wear that can be caused by a buildup ofdirt, and corrosion that can be caused by salt res-idues. Clean leaves and twigs from air intake vents at the base of the windshield, and from other placeswhere they may collect.
NOTE
Complete service information for qualified technicians is available online for purchase orsubscription at www.volvotechinfo.com.

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Start battery
The vehicle's electrical system is single pole and uses the body and engine block as conductors. The start (main) battery is used to power the starter motor and other electrical componentsand systems. The start battery should only be replaced by a trained and qualified Volvo service technician.
The vehicle has an alternating current generator. The start battery is an Absorbed Glass Mat (AGM) 12-volt battery that is dimensioned foruse in vehicles to support electrical systems andfunctions and regenerative charging. The service life of a battery is affected by factors such as driving conditions/style, the number ofstarts, climate, etc. Extreme cold may also furtherdecrease the battery

MAINTENANCE AND SERVICING
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477
CAUTION
•The infotainment system's energy-saving feature may not function correctly or atall, and/or a message may be displayed ifa battery charger or jumper cables arenot connected properly.
• The negative terminal on the battery must never
be used to connect a jumper cable
or a battery charger. Only the ground point on the chassis may be used.
NOTE
• The service life of the start battery is shortened if it becomes dischargedrepeatedly.
• The service life of the start battery isaffected by factors such as driving condi-tions and climate. Extreme cold may alsofurther decrease the battery's startcapacity.
• Because the battery

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WARNING
In certain models, the battery is held in place by a strap. Ensure that this strap is alwayssecurely fastened and pulled taut.
• When replacing the start battery or support battery an Absorbed Glass Mat (AGM) mustbe used.
• When replacing the start battery, a new bat-tery with the same specifications and dimen-sions must be used. The battery should onlybe replaced by a trained and qualified Volvoservice technician.
Related information
•
Jump starting (p. 364)
• Support battery (p. 478)
• Battery symbols (p. 479)
Support battery Vehicles equipped with Start/Stop are equipped with two 12-volt batteries.
In addition to a heavy-duty start battery, models with Start/Stop also have a support battery thatprovides extra current during the Start/Stopfunction's start sequence.
The support battery is located in a box next to the spring strut in the engine compartment
The following table shows the specifications for the support battery:
Current (V) 12 Cold start capacity (Cold Cranking Amperes -CCA) (A) 170
Dimensions, L×W×H in. (mm)5.9×3.5×5.1
(150×90×130)
Capacity (Ah) 10
• When replacing the start battery or support battery in a vehicle with Start/Stop, anAbsorbed Glass Mat (AGM) must be used.
• The greater the current consumption in thevehicle, the more the generator has to oper-ate and the battery is charged. This increasesfuel consumption.
• When the start battery's charge is below theminimum permitted level, the Start/Stopfunction will be disabled.
When the Start/Stop function is temporarily disa-bled due to high current consumption:
• The engine will auto-start, even if the brakepedal is depressed.
The support battery does not normally requiredmore service than the start battery. If questionsarise, consult a Volvo retailer or trained and quali-fied Volvo service technician.