2008 LEXUS RX400H spare tire

414
5-2. Steps to take in an emergency
RX400h_U
Installing the spare tireRemove 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, and the tire may come off
the vehicle.
Install the spare tire and loosely
tighten each nut by hand to
approximately the same amount.
Tighten the wheel nuts until the
tapered portion comes into loose
contact with the disc wheel sheet.
Lower the vehicle.
Firmly tighten each nut two or
three times in the order shown in
the illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
STEP1
STEP2
Wheel nut
Wa s h e r
Disc wheel
STEP3
STEP4

5
When trouble arises
415
5-2. Steps to take in an emergency
RX400h_U
Stowing the flat tire, jack and all toolsInstall the inside spare tire cover on the outer side of the spare tire
cover. Put the flat tire in the spare tire
cover with the outer side facing up
and install the holding bracket.
Turn the spare tire clamp bolt clockwise with a jack handle and
adapter socket until you hear a click.
Stow all the tools and jack securely.
STEP1
STEP2
■After completing the tire change
The tire pressure warning system must be reset. ( →P. 3 3 2 )
STEP3
STEP4

5
When trouble arises
417
5-2. Steps to take in an emergency
RX400h_U
NOTICE
■Do not drive the vehicle with a flat tire.
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel
beyond repair.
■When replacing the tires
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 trans-
mitter may be damaged if not handled correctly.
■To avoid damaging the tire pressure warning valves and transmitters
Do not use liquid sealants on flat tires.
■When stowing the flat tire
●Ensure that there is no object caught between the tire and the vehicle underbody.
●Tighten the spare tire clamp bolt to hold the spare wheel carrier by the hook
securely.

439
6-1. Specifications
6
Vehicle specifications
RX400h_U
Steering
Tires and wheelsType A
Free playLess than 1.2 in. (30 mm)
Ti r e s i z e225/65R17 101S
Tire inflation pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions Front:
32 psi (220 kPa, 2.2 kgf/cm
2 or bar)
Rear:
32 psi (220 kPa, 2.2 kgf/cm
2 or bar)
Spare:
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Driving at high speeds above 100 mph (160
km/h) (in countries where such speeds are per-
mitted by law) Add 1.5 psi (10 kPa, 0.1 kgf/cm
2 or bar) to the
front tires and rear tires. Never exceed the
maximum cold tire inflation pressure indicated
on the tire sidewall.
Wheel size17 × 6 1 /2 J
Wheel nut torque10.5 kgf•m (103 N•m, 76 ft•lbf)

440
6-1. Specifications
RX400h_UTy p e B
Ti r e s i z eP235/55R18 99V
Tire inflation pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions
Front:
30 psi (210 kPa, 2.1 kgf/cm
2 or bar)
Rear:
30 psi (210 kPa, 2.1 kgf/cm
2 or bar)
Spare:
30 psi (210 kPa, 2.1 kgf/cm
2 or bar)
Wheel size18 × 7 J
Wheel nut torque10.5 kgf•m (103 N•m, 76 ft•lbf)

479
Alphabetical index
RX400h_U
Spare tireInflation pressure ............................... 340
Spare tire ...............................................408
Spark plug ............................................... 435
Specifications......................................... 430
Speech command switch*
Speedometer Speedometer ........................................138
Steering Column lock release ......................... 132
Steering wheel Audio switches ..................................... 231
Manual adjustment .............................. 65
Power adjustment ................................ 66
Steering wheel position memory ................................................. 55
Storage feature ..................................... 265
Stuck If your vehicle becomes stuck .....427
Sun visors.................................................. 272
Sunshade Roof ..............................................................76
Switch Engine switch ..........................................131
Fog light switch.......................................151
Ignition switch..........................................131
Light switches........................................148
Power back door switch ...................44
Power door lock switch .................... 39
Power window switch......................... 72
Rear window wiper and washer switch .....................................................155
Window lock switch ............................ 72
Wipers and washer switch............. 152 Tail lights
Replacing light bulbs ....................... 365
Switch........................................................ 148
Wattage ....................................................441
Talk switch*
Telephone switch*
Theft deterrent system Alarm.......................................................... 85
Hybrid vehicle immobilizer system .....................................................83
Theft prevention labels ......................... 88
Tire inflation pressure .........................340
Tire section names Glossary .................................................. 451
Size............................................................ 447
Tire identification number..............446
Uniform tire quality grading .........449
Tires
Chains ...................................................... 182
Checking ................................................ 331
If you have a flat tire ......................... 408
Inflation pressure ............................... 340
Inflation pressure sensor ................ 332
Information ............................................445
Replacing .............................................. 408
Rotating tires ......................................... 331
Size............................................................439
Snow tires ............................................... 182
Spare tire ............................................... 408
Tools .......................................................... 408
Total load capacity ..................................181
Towing
Dinghy towing ...................................... 196
Emergency towing............................378
Trailer towing ........................................ 187T
*: Refer to the “Navigation System Owner’s Manual”.