Page 469 of 573

4688-2. Steps to take in an emergency
IS350/250_U (OM53758U)
Indicates a malfunction in the tire pressure warning sys-
tem
Stop the vehicle in a safe place and turn the engine
switch off then on again.
If the tire pressure warning indicator flashes for 1
minute then illuminates, there is a malfunction in the
system. Have the vehicle inspected at your Lexus
dealer.
Indicates that the tire position information cannot be rec-
ognized
Drive for a short while an d check if the display
updates.
If the radio wave conditions improve, the display
may return to normal. If th e tire pressure is still not
displayed after driving for several minutes, stop the
vehicle in a safe place, turn the engine switch off
then on again, and start driving.
If the tire pressure is still not displayed even after
repeating this process several times, have the vehi-
cle inspected at your Lexus dealer.
Indicates that the wash er fluid level is low
Add washer fluid.
Indicates that remaining fuel is approximately 2.6 gal.
(10 L, 2.2 Imp. gal.) or less
Refuel the vehicle.
Indicates that the TRAC (Tra ction Control) system has
been deactivated
Tu r n t h e T R A C o n . ( P. 2 3 6 )
(U.S.A. only)
Indicates that all maintenance according to the driven
distance on the maintenance schedule
* should be per-
formed soon.
Comes on approximately 4500 miles (7200 km) after
the maintenance data has been reset.
If necessary, perform maintenance.
Wa r n i n g m e s s a g eDetails/Actions
Page 521 of 573

5209-1. Specifications
IS350/250_U (OM53758U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km un der that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the numb er of occupants specified
in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in the
third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Page 571 of 573

570Alphabetical index
IS350/250_U (OM53758U)
Units .............................................................. 88
USB device ................................. 296, 338Connecting ...........................................266
USB audio .............................................296
USB photo ........................................... 338
USB port .................................................. 266
Vanity lights Vanity lights ......................................... 365
Wattage ................................................. 509
Vanity mirrors ........................................ 365
Variable Gear Ratio Steering (VGRS) ................................................. 234
VDIM (Vehicle Dynamics Integrated Management) .............. 235
Vehicle data recordings .......................... 9
Vehicle Dynamics Integrated Management (VDIM) ..................... 235
Vehicle identification number .......... 501
Vehicle Stability Control (VSC) ..................................................... 234
Ventilators (seat ventilators)............ 355
VGRS (Variable Gear Ratio Steering) ............................................... 234
Voice command system ......................341
VSC (Vehicle Stability Control) ............ 234 Warning buzzers
Brake system .......................................455
Downshifting ......................................... 168
Key reminder ........................................472
Open door ........................................... 456
Open moon roof ............................... 466
Open hood........................................... 463
Open trunk ........................................... 463
Open window ..................................... 466
Seat belt reminder............................. 456
Warning lights ........................................... 77 ABS ..........................................................455
Automatic headlight leveling system .................................................. 456
Brake system .......................................455
Charging system ...............................455
Electric power steering ..................455
Low fuel level ....................................... 456
Malfunction indicator lamp...........455
Master warning light ........................ 456
Open door ........................................... 456
Pre-collision system ......................... 456
Seat belt reminder light .................. 456
Slip indicator ........................................ 456
SRS............................................................455
Tire pressure ........................................ 457
Warning messages................................ 461
Warning reflector storage belt ...... 364
U
V
W
Page 573 of 573
572
IS350/250_U (OM53758U)GAS STATION INFORMATION
Auxiliary catch leverTrunk openerFuel filler door
P. 399 P. 109 P. 190
Hood lock release leverTire inflation pressure
P. 3 9 9
P. 5 0 7
Fuel tank capacity
(Reference) 17.5 gal. (66.3 L, 14.6 Imp. gal.)
Fuel type
Unleaded gasoline only P. 188, 502
Cold tire inflation
pressure P. 5 0 7
Engine oil capacity
(Drain and refill —
reference)qt. (L, Imp. qt.)
2WD AWD
With filter 6.6 (6.2, 5.5) 6.8 (6.4, 5.6)
Without filter 6.2 (5.9, 5.2) 6.3 (6.0, 5.3)
Engine oil type “Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
P. 5 0 2