Page 505 of 600

5058-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D18U)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, ab rupt steering, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
•AWD system
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) 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 brak-
ing.
NOTICE
■Driving with tire chains and the compact 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
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact your Lexus dealer as the tire pressure warning valve and transmitter
may be damaged if not handled correctly.
• ABS & Brake assist
•VSC
•TRAC
• Cruise control (if equipped)
• Dynamic radar cruise control
(if equipped)
• PCS (if equipped)
•EPS • Adaptive Variable Suspension System
(if equipped)
• LDA (Lane Departure Alert)
(if equipped)
• VGRS (if equipped)
• Rear view monitor system (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
Page 534 of 600

5349-1. Specifications
IS350/300/200t_U (OM53D18U)
Ty p e A
Ty p e B
Tires and wheels
Ti r e s i z e225/45R17 91W, T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Driving at high speeds (above 118 mph [190 km/h]) (in
countries where such speeds are permitted by law)
Add 5 psi (30 kPa, 0.3 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 7 1 /2J, 17 4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e225/45R17 91V, T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front:
36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 5 psi (30 kPa, 0.3 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 7 1 /2J, 17 4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Page 535 of 600

5359-1. Specifications
9
Vehicle specifications
IS350/300/200t_U (OM53D18U)
Ty p e C
Ty p e D
Ti r e s i z e225/40R18 88Y, 255/35R18 90Y,
T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front:36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear:
36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law)
Add 2 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 size18 8J (225/40R18), 18 8 1 /2J (255/35R18),
17 4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e225/40R18 88W, 255/35R18 90W,
T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front:
36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Driving at high speeds (above 118 mph [190 km/h]) (in
countries where such speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 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 size18 8J (225/40R18), 18 8 1 /2J (255/35R18),
17 4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Page 594 of 600

594Alphabetical index
IS350/300/200t_U (OM53D18U)
Shift lever ...................................................169Automatic transmission ................... 169
If the shift lever cannot be shifted from P ...........508
Shift lock system....................................508
Shift position and gear position ...........81
Side airbags ............................................... 37
Side marker lights...................................178 Light switch ............................................ 178
Replacing light bulbs ........................463
Side mirrors ............................................. 138 Adjusting and folding........................ 138
BSM (Blind Spot Monitor)............ 262
Linked mirror function when reversing ................................. 139
Mirror position memory .................. 126
Side turn signal lights ............................ 175 Replacing light bulbs ........................463
Turn signal lever .................................. 175
Side windows ............................................ 141
Slip indicator............................................477
Smart access system with push-button start ........................ 116Antenna location ................................... 116
Entry functions ............................... 105, 111
Starting the engine ............................. 164 SMS (Short message service) ........ 338
Snow mode ............................................... 170
Snow tires ................................................. 272
Spare tire ..................................................496
Inflation pressure................................ 534
Storage location ................................. 497
Spark plug ................................................. 531
Specifications..........................................524
Speedometer .............................................. 81
Speed indicator........................................ 89
Steering lock ............................................ 166 Column lock release .........................166
Steering wheel ........................................ 134 Adjustment.............................................. 134
Audio switches .....................................281
Heated steering wheel ................... 376
Power easy access system ............. 126
Steering wheel position memory .............................. 126
Stop lights Replacing light bulbs ....................... 463
Storage feature .......................................381
Stuck If the vehicle becomes stuck........520
Sun visors................................................. 387