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2001 Volvo S80
· Try to keep the fuel tank well filled - this prevents the formation of condensation in the tank. In
addition, in extremely cold weather conditions it is worthwhile to add fuel line de-icer before refueling.
· The viscosity of the engine oil is important. Oil with low viscosity (thinner oil) improves cold-weather
starting as well as decreasing fuel consumption while the engine is warming up. For winter use, 5W-30
oil, particularly the synthetic type *, is recommended. Be sure to use good quality oil but do not use this
cold-weather oil for hard driving or in warm weather. See section "Engine oil" for more information.
· The load placed on the battery is greater during the winter since the windshield wipers, lighting, etc.
are used more often. Moreover, the capacity of the battery decreases as the temperature drops. In very
cold weather, a poorly charged battery can freeze and be damaged. It is therefore advisable to check the
state of charge more frequently and spray an anti-rust oil on the battery posts.
· Volvo recommends the use of snow tires on all four wheels for winter driving - see section "Wheels
and tires".
· To prevent the washer fluid reservoir from freezing, add washer solvents containing antifreeze (see
page 112 for the location of the washer fluid reservoir). This is important since dirt is often splashed on
the windshield during winter driving, requiring the frequent use of the washers and wipers. The Volvo
Washer Solvent should be diluted as follows:
Down to 14° F (-10° C): 1 part washer solvent and 4 parts water
Down to 5° F (-15° C): 1 part washer solvent and 3 parts water
Down to 0° F (-18° C): 1 part washer solvent and 2 parts water
Down to -18° F (-28° C): 1 part washer solvent and 1 part water
· Use Volvo Teflon Lock Spray in the locks.
NOTE: Avoid the use of de-icing sprays as they can cause damage to the locks.
W Winter/Wet driving mode - enhanced vehicle traction
· Mode W will only function if the gear selector is in the (D)rive position.
· Press the button at the base of the gear selector to engage/disengage this driving mode (see illustration).
· An LED in the button will light up to indicate that W is engaged and this will also be displayed in the
instrument panel (see
page 23).
· This mode may be selected for starting/moving off on slippery roads.
* Synthetic oil is not used when the oil is changed at the normal maintenance service intervals.
pg. 81 Long distance trips
Before a long distance trip
It is always worthwhile to have your car checked at a Volvo retailer before driving long distances. Your
retailer will also be able to supply you with bulbs, fuses, spark plugs and wiper blades for your use in the
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