Subaru Ascent Manuals 2025 Ascent Owner's Manual | Page 426

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Winter driving
! Refueling in cold weather
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To help prevent moisture from forming in the fuel system and the risk of its freezing, use of an antifreeze additive in the fuel tank is recommended during cold weather.
Use only additives that are specifically designed for this purpose. When an antifreeze additive is used, its effect lasts longer if the tank is refilled whenever the fuel level reaches half empty.
If your SUBARU is not going to be used for an extended period, it is best to have the fuel tank filled to capacity.
! Opening rear gate
CAUTION
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Before operating the power rear gate, check that there is no frost or snow between the power rear gate and the vehicle body. If you notice frost or snow on the power rear gate, remove it. If you forcibly operate the power rear gate with frost or snow, it may cause a malfunction.
& Driving on snowy and icy roads
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To prevent skidding and slipping, avoid sudden braking, abrupt acceleration, highspeed driving, and sharp turning when driving on snowy or icy roads.
Always maintain ample distance between your vehicle and the vehicle ahead of you to avoid the need for sudden braking.
To supplement the foot brake, use the engine brake effectively to control the vehicle speed.( Shift into a lower gear when necessary.)
Avoid shifting down abruptly. Such behavior can cause the wheels to lock, possibly leading to loss of vehicle control.
An anti-lock brake system( ABS) enhances your vehicle’ s braking performance on snowy and icy roads. For information on braking on slippery surfaces, refer to“ ABS( Anti-lock Brake System)” FP360 and“ Vehicle Dynamics Control system” FP362.
WARNING
Do not use the cruise control on slippery roads such as snowy or icy roads. This may cause loss of vehicle control.
CAUTION
Avoid prolonged continuous driving in snowstorms. Snow will enter the engine’ s intake system and may hinder the airflow, which could result in engine shutdown or even breakdown.
! Wiper operation when snowing
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Before driving in cold weather, make sure the wiper blade rubbers are not frozen to the windshield or rear window.
If the wiper blade rubbers are frozen to the windshield or rear window, perform the following procedure.
. To thaw the windshield wiper blade rubbers, use the defroster with the airflow selection in“” and the temperature set for maximum warmth until the wiper blade rubbers are completely thawed. Refer to“ Climate control” FP275.
. If your vehicle is equipped with a wiper deicer, use it. It is helpful to thaw the windshield wiper blade rubbers. Refer to“ Defogger and deicer” FP271.
. To thaw the rear wiper blade rubbers, use the rear window defogger. Refer to“ Defogger and deicer” FP271.