Starting and driving -> Winter driving for Your Volvo Xc90 SUV 2020

STARTING AND DRIVING  
Pilot Assist* (p. 296)  
Winter driving  
Slippery driving conditions  
To help optimize traction and roadholding,  
Volvo recommends using snow tires on all  
wheels whenever there is a risk of snow or ice  
on the road.  
It is important to check the vehicle before  
driving in cold/snowy conditions to make  
sure it can be driven safely.  
Tire sealing system (p. 545)  
Before the cold season arrives:  
Make sure the engine coolant contains  
50% antifreeze. This mixture helps pro-  
tect the engine from frost erosion down to  
approx. –35 °C (–31 °F). Do not mix dif-  
ferent types of antifreeze as this could  
pose a health risk.  
Certain countries require use of winter tires  
by law. Not all countries permit the use of  
studded tires.  
Keep the fuel tank well filled to prevent  
condensation from forming.  
Practice driving on slippery surfaces under  
controlled conditions to learn how the vehicle  
reacts.  
Check the viscosity of the engine oil. Oil  
with low viscosity (thinner oil) improves  
cold-weather starting and reduces fuel  
consumption when driving with a cold  
engine.  
Related information  
Snow tires (p. 543)  
Snow chains (p. 544)  
Braking on salted roads (p. 397)  
Braking on wet roads (p. 397)  
Filling washer fluid (p. 637)  
Start battery (p. 595)  
Low-viscosity oil should not be used with  
hard driving or in hot weather.  
Replacing windshield wiper blades  
(p. 635)  
Check the condition and charge level of  
the start battery. Cold weather places  
greater demands on the start battery and  
reduces its capacity.  
Changing rear window wipers (p. 634)  
Refilling coolant (p. 586)  
Use washer fluid containing antifreeze to  
help prevent ice from forming in the  
washer fluid reservoir.  
428  
* Option/accessory.  
STARTING AND DRIVING  
Driving through standing water  
Opening/closing the fuel filler door  
It may be necessary to drive the vehicle  
through standing water, e.g. deep puddles or  
flooding on the road. This must be done with  
great caution.  
The vehicle can be driven through water up to  
a depth of 45 cm (17 in) at no more than walk-  
ing speed. Be particularly careful when driving  
through flowing water.  
The vehicle must be unlocked before the fuel  
Engine damage could occur if water  
enters the air cleaner.  
filler door can be opened17  
.
An arrow next to the fuel  
pump symbol in the instru-  
ment panel indicates the side  
of the vehicle on which the  
fuel filler door is located.  
If water enters the transmission, the  
lubricating ability of the oils is reduced  
and the service life of these systems is  
shortened.  
Damage to any component, engine,  
transmission, turbocharger, differential  
or its internal components caused by  
flooding, vapor lock or insufficient oil is  
not covered under warranty.  
When driving through standing water, drive  
slowly and do not stop the vehicle. When you  
have passed the water, press lightly on the  
brake pedal and check that the brakes are  
functioning properly. Water, mud, slush, etc.  
can make the brake linings slippery, resulting  
in delayed braking effect.  
1. Open the fuel filler door by pressing lightly  
on its rear edge.  
2. After refueling, press the fuel filler door  
lightly to close it.  
If the engine stalls while the vehicle is  
in water, do not attempt to restart it.  
Have the vehicle towed out of the  
water to a workshop. An authorized  
Volvo workshop is recommended. Risk  
of engine failure.  
Related information  
Refueling (p. 430)  
If the vehicle is equipped with contacts for  
an electric heater or trailer coupling, clean  
these after driving in water or mud.  
Do not allow the vehicle to stand in water  
up to the sills any longer than absolutely  
necessary. This could result in electrical  
malfunctions.  
Because it can be difficult to determine the  
water depth, Volvo recommends not driv-  
ing through standing or running water. The  
driver is always responsible for operating  
the vehicle in a safe manner and adhering  
to all applicable laws and regulations.  
Related information  
Recovery (p. 448)  
Low Speed Control* (p. 423)  
* Option/accessory. 429