Winter Driving Tips - Lexus LS 500h 2019 Owner's Manual

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.
Preparation for winter
 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 rear tires.
Ensure that all tires are the specified size
and brand, and that chains match the size
of the tires.
*
: Tire chains cannot be mounted on vehi-
cles with front and rear tires of differing
sizes.
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.
●
LS500h_OM_General_OM50J66E
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.
When installing tire chains
■
Before installing tire chains, make sure to
disable all functions of the vehicle height
control of the electronically modulated
air suspension. Otherwise, the vehicle
height may change while installing the
tire chains and part or your body may be
caught under the vehicle, possibly caus-
ing injury. (P.384)
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 LTA (Lane Tracing Assist)
●
system. (if equipped)
Do not use LDA (Lane Departure
●
Alert) system. (if equipped)
4-6. Driving tips 393
4