Lexus RX 450h Owner's Manual page 542

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7-2. Steps to take in an emergency

• Lower the spare tire completely to the

ground before removing it from under

the vehicle.

Replacing a flat tire for vehicles with

power back door

In cases such as when replacing tires,

make sure to canceling the power back

door system (

may cause the back door to operate

unintentionally if the power back door

switch is accidentally touched, resulting

in hands and fingers being caught and

Installing the spare tire

Remove any dirt or foreign matter

from the wheel contact surface.

If foreign matter is on the wheel contact

surface, the wheel nuts may loosen while

the vehicle is in motion, causing the tire to

Install the spare tire and loosely

tighten each wheel nut by hand by

approximately the same amount.

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P.574). Failure to do so

Vehicles with a compact spare tire

Tapered portion

Disc wheel seat

Tighten the wheel nuts until the tapered

portion comes into loose contact with the

disc wheel seat.

Vehicles with a full-size spare tire

Turn the wheel nuts until the washers come

into contact with the disc wheel.