2018 LEXUS RX450h Owners Manual

6738-2. Steps to take in an emergency
8
When trouble arises
RX450h_RX450hL _U_OM48F85U●
Stop the vehicle in a safe pl ace on a hard, flat surface.●
Set the parking brake. ●
Shift the shift lever to P. ●
Stop the hybrid system. ●
Turn on the emergency flashers. ( → P. 652)If you have a flat tire Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
For details about tires: → P. 611WARNING ■
If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat ti re can damage the tire and the wheel beyond
repair, which could re sult in an accident.
Before jacking up the vehicle

674 8-2. Steps to take in an emergency
RX450h_RX450hL _U_OM48F85U 
RX450h
* : Documentation relating to the wheel lock key, such as the registration and I.D. card, is
inside the glove box.Location of the spare tire, jack and tools
Jack handle
Wheel nut wrench
Spare tire Wheel lock key
* (if equipped)
Jack1
2
3 4
5

6758-2. Steps to take in an emergency
8
When trouble arises
RX450h_RX450hL _U_OM48F85U 
RX450hL
Jack handle
Wheel nut wrench
Spare tire Jack
Towing eyelet
Adapter socket1
2
3 4
5
6

676 8-2. Steps to take in an emergency
RX450h_RX450hL _U_OM48F85UWARNING ■
Using the tire jack
Observe the following precautions.
Improper use of the tire jack may cause the ve hicle to suddenly fall off the jack, leading
to death or serious injury. ●
Do not use the tire jack for any purpose ot her than replacing tires or installing and
removing tire chains. ●
Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do no t use other tire jacks for replacing tires on
this vehicle. ●
Put the jack properly in its jack point. ●
Do not put any part of your body under the vehicle while it is supported by the jack.●
Do not start the hybrid system or drive th e vehicle while the vehicle is supported by
the jack. ●
Do not raise the vehicle while someone is inside. ●
When raising the vehicle, do not pu t an object on or under the jack.●
Do not raise the vehicle to a height greater than that required to replace the tire. ●
Use a jack stand if it is necessary to get under the vehicle. ●
When lowering the vehicle, make sure that there is no-one near the vehicle. If there
are people nearby, warn them vocally before lowering.

6778-2. Steps to take in an emergency
8
When trouble arises
RX450h_RX450hL _U_OM48F85UWhen replacing tires on a vehicle with wheel lock nuts, use the following proce-
dures to remove and install the wheel lock nuts. The wheel lock key is stored in
the tray inside the luggage compartment. Always return the wheel lock key to its
original position after use, so that it does not get lost.■
Removal
For ease of removal, the wheel lock nut should always be the first one loos-
ened.
Place the wheel lock key on top of th e wheel lock nut, turning until the
wheel lock key and wheel lock nut patterns engage.
Place the wheel nut wrench on the wheel lock key, and while applying pres-
sure on the wheel lock key, loosen the wheel lock nut.■
Installation
For ease of installation, the wheel lock nut should always be the last one tight-
ened.
By hand, install a wheel lock nut on each wheel.
Place the wheel lock key on top of th e wheel lock nut, turning until the
wheel lock key and wheel lock nut patterns engage.
Place the wheel nut wrench on the wheel lock key, and while applying pres-
sure on the wheel lock key, tighten the wheel lock nut to the recommended
torque.Wheel lock nut (if equipped)
NOTICE
Do not use an impact wrench. Using an impact wrench may cause permanent damage
to wheel lock nut and wheel lock key. If in doubt about wheel lock application, contact
your Lexus dealer. 1
2
1
2
3

678 8-2. Steps to take in an emergency
RX450h_RX450hL _U_OM48F85USecure the deck board using the hook. ( → P. 544)
Disengage the hook and take out
the jack. RX450h: Remove the wheel nut
wrench and then the jack
RX450hL: Remove th e jack handle and
then the jack 
RX450h
Secure the deck board using the hook. ( → P. 544)
Remove the spare tire cover.
Loosen the center fastener that
secures the spare tire.Taking out the jack 1
2
Taking out the spare tire 1
2
3

6798-2. Steps to take in an emergency
8
When trouble arises
RX450h_RX450hL _U_OM48F85U 
RX450hL
Remove the deck board.
Remove the cover.
Attach the adapter socket to the
spare tire clamp bolt.
Assemble the jack handle extension.
Connect the jack handle to the
adapter socket. Turn the jack handle
counterclockwise. The tire will be lowered completely to
the ground.
Turn the jack handle slowly to lower the
spare tire. If the handle is turned quickly,
the wire cable may come off the shaft
inside the unit and the tire may not be
lowered.
If the spare tire cannot be lowered: → P. 6821
2
3
4
5

680 8-2. Steps to take in an emergency
RX450h_RX450hL _U_OM48F85UPull out the spare tire and stand it
against the bumper.
Fully depress the secondary latch
and remove the holding bracket
from the hoist assembly .
Tilt the bracket and pass it
through the wheel opening. Then
remove the hoist assembly . 6
7
A
B C
8
B
C
WARNING ■
When storing the spare tire
Be careful not to catch fingers or other body parts between the spare tire and the body
of the vehicle.