Lexus RX 450h Owner's Manual page 546

544 7-2. Steps to take in an emergency
WARNING
• Automatic High Beam (if equipped)
• AHS (Adaptive High-beam System) (if
equipped)
• Tire pressure warning system (if
equipped)
• Lexus parking assist-sensor (if
equipped)
• PKSB (Parking Support Brake) (if
equipped)
• Lexus parking assist monitor (if
equipped)
• Panoramic view monitor (if equipped)
• BSM (Blind Spot Monitor) (if
equipped)
• Navigation system (if equipped)
Also, not only can the following system
not be utilized fully, but it may even nega-
tively affect the drive-train components:
• E-Four
Speed limit when using the compact
■
spare tire (vehicles with a compact
spare tire)
Do not drive at speeds in excess of 80
km/h (50 mph) when a compact spare
tire is installed on the vehicle.
The compact spare tire is not designed
for driving at high speeds. Failure to
observe this precaution may lead to an
accident causing death or serious injury.
After using the tools and jack
■
Before driving, make sure all the tools
and jack are securely in place in their
storage location to reduce the possibility
of personal injury during a collision or
sudden braking.
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NOTICE
Be careful when driving over bumps
■
with the compact spare tire installed
on the vehicle (vehicles with a com-
pact spare tire)
The vehicle becomes lower when driving
with the compact spare tire compared to
when driving with standard tires. Be
careful when driving over uneven road
surfaces.
Driving with tire chains and the com-
■
pact spare tire (vehicles with a com-
pact spare tire)
Do not fit tire chains to the compact
spare tire. Tire chains may damage the
vehicle body and adversely affect driving
performance.
When replacing the tires (vehicles
■
with the tire pressure warning sys-
tem)
When removing or fitting the wheels,
tires or the tire pressure warning valve
and transmitter, contact your Lexus
dealer as the tire pressure warning valve
and transmitter may be damaged if not
handled correctly.
When stowing the flat tire (Type C)
■
Ensure that there is no object caught
●
between the tire and the vehicle
underbody.
Securely tighten the spare tire clamp
●
bolt to hold the spare wheel carrier by
the hook.
Stow the flat tire in the spare tire loca-
●
tion. Failure to do so may cause dam-
age to the spare tire carrier. Proper
storage reduces the possibility of injury
in a collision or during sudden braking.
Have the flat tire repaired and the
●
spare tire replaced with it as soon as
possible.