Winter Driving Tips - Lexus RX 450h Owner's Manual

384 4-6. Driving tips

Winter driving tips

Carry out the necessary prepara-
tions and inspections before driving
the vehicle in winter. Always drive
the vehicle in a manner appropriate
to the prevailing weather condi-
tions.
Pre-winter preparations
 Use fluids that are appropriate to
the prevailing outside temperatures.
• Engine oil
• Engine/power control unit coolant
• Washer fluid
 Have a service technician inspect
the condition of the 12-volt battery.
 Have the vehicle fitted with four
snow tires or purchase a set of tire
chains for the front tires.
Ensure that all tires are of the specified size
and the same brand, and that chains match
the size of the tires.
WARNING
Driving with snow tires
■
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in a loss of
vehicle control and cause death or seri-
ous injury.
Use tires of the specified size.
●
Maintain the recommended level of air
●
pressure.
Do not drive at speeds in excess of the
●
speed limit or the speed limit specified
for the snow tires being used.
� � � � � � � � � � � � � � � � �
Use snow tires on all, not just some
●
wheels.
Driving with tire chains
■
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in the vehicle
being unable to be driven safely, and may
cause death or serious injury.
Do not drive in excess of the speed
●
limit specified for the tire chains being
used, or 50 km/h (30 mph), which-
ever is lower.
Avoid driving on bumpy road surfaces
●
or over potholes.
Avoid sudden acceleration, abrupt
●
steering, sudden braking and shifting
operations that cause sudden engine
braking.
Slow down sufficiently before entering
●
a curve to ensure that vehicle control is
maintained.
Do not use the LTA (Lane Tracing
●
Assist) system. (if equipped)
Do not use the LDA (Lane Departure
●
Alert with steering control) system. (if
equipped)
NOTICE
Repairing or replacing snow tires
■
(vehicles with the tire pressure warn-
ing system)
Request repairs or replacement of snow
tires from your Lexus dealer or legitimate
tire retailers.
This is because the removal and attach-
ment of snow tires affects the operation
of the tire pressure warning valves and
transmitters.
Before driving the vehicle
Perform the following according to the