2017 VOLVO V90 coolant temperature

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STARTING AND DRIVING
414
IMPORTANT
Engine damage can occur if water enters the air filter. In depths greater than 25 cm, water could enter the transmission. This reduces the lubri-cating ability of the oils and shortens theservice life of these systems. Damage to any component, engine, transmis- sion, turbocharger, differential or its internalcomponents caused by flooding, hydrostaticlocking or oil shortage, is not covered by thewarranty. In the event of the engine stalling in water, do not try restart - tow the car from the water toa workshop - an authorised Volvo workshop isrecommended. Risk of engine breakdown.
Related information
•Towing (p. 431)
• Recovering the car (p. 432)
Overheating in the engine and drive system
Under special conditions, for example hard driv- ing in hilly terrain and hot climate, there is a riskthat the engine and drive system may overheat -in particular with a heavy load.
• In the event of overheating, the engine's power may be limited temporarily.
• Remove any auxiliary lamps from in front ofthe grille when driving in hot climates.
• If the temperature in the engine's coolingsystem becomes too high then a warningsymbol is illuminated and the driver display shows the message
Engine temperature
High temperature Stop safely. Stop the
car in a safe way and allow the engine to run at idling speed for several minutes and cooldown.
• If the message
Engine temperature High
temperature Turn off engine or Engine
coolant Level low, turn off engine is
shown, stop the car and switch off the engine.
• In the event of overheating in the gearbox, analternative gear shift program will beselected. In addition, a built-in protectionfunction is activated that, amongst otherthings, illuminates a warning symbol and thedriver display shows the message
Transmission warm Reduce speed to
lower temperature or Transmission hot Stop safely, wait for cooling
. Follow the
recommendation given, reduce speed or stop the car in a safe way and allow the engine torun at idling speed for several minutes toenable the gearbox to cool down.
• If the car overheats, the air conditioning maybe switched off temporarily.
• Do not turn the engine off immediately youstop after a hard drive.
NOTE
It is normal for the engine's cooling fan to operate for a time after the engine has beenswitched off.
Symbols in the driver display
Symbol
Specification
High engine temperature. Follow the recommendation given.
Low level, coolant. Follow the rec- ommendation given.
Gearbox hot/overheated/cooled. Follow the recommendation given.

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MAINTENANCE AND SERVICE
518
NOTE
If the right conditions for measuring the oil level (time after engine shutdown, the car'sinclination, outside temperature, etc.) are not met, then the message
No value availablewill be shown in the centre display. This does not mean that there is something wrong in
the car's systems.
Related information
• Engine oil (p. 516)
• Engine oil — specifications (p. 567)
• Adverse driving conditions for engine oil (p. 569)
• Ignition positions (p. 385)
• Car status (p. 506)
Topping up coolant
The coolant cools the internal combustion engine to the correct operating temperature. Theheat that is transferred from the engine to thecoolant can be used to heat the passenger com-partment.
When topping up the coolant, follow the instruc- tions on the packaging. Never top up with wateronly. The risk of freezing increases with both toolittle and too much coolant concentrate.
WARNING
Coolant can be very hot. If the coolant requires topping up when the engine is atoperating temperature, unscrew the expan-sion tank cap slowly to gently release theoverpressure.
Coolant expansion tank, left-hand drive car.
Screw off the cap in the plastic cover.
Screw off the cap on the expansion tank and top up with coolant. The coolant level must not exceed the yellow MAX mark inside the
expansion tank.
Reinstall the parts in reverse order.

ALPHABETICAL INDEX
579
Centre display
change settings 45
cleaning 553
climate control 187
messages 106
operation 36, 40
overview 33
symbols in status bar 45
Checking the engine oil level 517
Child safety 71
Child safety locks 261
Child seat 71 integrated booster cushion 82
i-Size/ISOFIX mounting points 77
lower mounting points 74
positioning/fitting 71
table for location 75
table of i-Size 81
table of ISOFIX 78
Upper mounting points 73
Cigarette lighter 224 City Safety ™330, 332, 333, 335, 336,
337, 339
Cleaning automatic car wash 549
car washing 549
centre display 553
Fabric upholstery 552
rims 551
seatbelts 553
upholstery 552
Clean Zone Interior Package 185
Climate control 182, 186 auto-regulation 189
centre display 187
experienced temperature 183
fan control 193
Parking 206
rear seat 188
sensors 183
temperature control 190
voice control 119
zones 182
Clock, adjustment 99 CO 2 emissions 572
Collision 56, 59, 63, 69
Collision warning 330Collision warning system Pedestrian detection 333
Radar sensor 318
Colour code, paint 554
Combined instrument panel 90 settings 94
Compass 156 calibration 157
Condensation in headlamps 549Controls lighting 135
Coolant 570
Coolant, filling 518Cooling system overheating 414
Cornering lights 142
Corner Traction Control 273Cover cargo area 230
Crash, see Collision 56
Cruise control 284 deactivate 287
managing speed 284, 285
temporary deactivation 286
CTA 343, 344, 345
Cyclist detection 333
CZIP (Clean Zone Interior Package) 185
D
DAB Radio 440 Data recording 22
transfer between car and workshop 511
Data link connector 23
Daytime running lights 137