Lexus 2015 RX350 Owner's Manual page 786

5-2. Steps to take in an emergency
CAUTION
Replacing a flat tire
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Observe the following precautions.
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Failure to do so may result in serious injury:
• Do not touch the disc wheels or the area around the brakes immediately after
the vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around the
brakes will be extremely hot. Touching these areas with hands, feet or other
body parts while changing a tire, etc. may result in burns.
• Do not attach a heavily damaged wheel ornament, as it may fly off the wheel
while the vehicle is moving.
Failure to follow these precautions could cause the wheel nuts to loosen and the
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tire to fall off, resulting in death or serious injury.
• Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel nuts to be excessively tightened, leading
to bolt or disc wheel damage. In addition, the oil or grease can cause the
wheel nuts to loosen and the wheel may fall off, causing a serious accident.
Remove any oil or grease from the wheel bolts or wheel nuts.
• Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103 N•m,
10.5 kgf•m) as soon as possible after changing wheels.
• When installing a tire, only use wheel nuts that have been specifically
designed for that wheel.
• If there are any cracks or deformations in the bolt screws, nut threads or bolt
holes of the wheel, have the vehicle inspected by your Lexus dealer.
Replacing a flat tire for vehicles with power back door
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In cases such as when replacing tires, make sure to turn off the power back door
main switch (P. 58). Failure to do so may cause the back door to operate unin-
tentionally if the power back door switch is accidentally touched, resulting in hands
and fingers being caught and injured.
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