Lexus IS250 2009, Service Manual

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2-5. Driving information
Winter driving tips
Carry out the necessary preparations and inspections before driving the
vehicle in winter. Always drive the vehicle in a manner appropriate to the
prevailing weather conditions.
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Pre-winter preparations
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Use fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine oil
• Engine coolant
• Washer fluid
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Have a service technician inspect the level and specific gravity of
battery electrolyte.
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Have the vehicle fitted with four snow tires or purchase a set of
tire chains for the rear tires.
Ensure that all tires are the specified size and the same brand, and that
chains match the size of the tires.
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Before driving the vehicle
Perform the following according to the driving conditions.
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Do not try to forcibly open a window or move a wiper that is fro-
zen. Pour warm water over the frozen area to melt the ice. Wipe
away the water immediately to prevent it from freezing.
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To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
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Remove any ice that has accumulated on the vehicle chassis.
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Periodically check for and remove any excess ice or snow that
may have accumulated in the wheel well or on the brakes.