TOYOTA 2011 Prius - Manual (Page 296)

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2-5. Driving information
PRIUS_U (OM47685U) DVD
Winter driving tips
Carry out the necessary preparations and inspections before driving
the vehicle in winter. Always drive the vehicle in a manner appropri-
ate to the prevailing weather conditions.
n Pre-winter preparations
l Use fluids that are appropriate to the prevailing outside tem-
peratures.
• Engine oil
• Engine/power control unit coolant
• Washer fluid
l Have a service technician inspect the level and specific grav-
ity of 12 volt battery electrolyte.
l Have the vehicle fitted with four snow tires or purchase a set
of tire chains for the front tires.
Ensure that all tires are the same size and brand, and that chains
match the size of the tires.