1494-1. Before driving
4
Driving
IS350/250_U (OM53758U)
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and reduce your
ability to control the vehicle.
●Sudden acceleration, engine braking due to shift changing, or changes in engine
speed could cause the vehicle to skid.
●After driving through a puddle, lightly depress the brake pedal to make sure that the
brakes are functioning properly. Wet brake pads may prevent the brakes from func-
tioning properly. If the brakes on only on e side are wet and not functioning properly,
steering control may be affected.
■When shifting the shift lever
●Do not let the vehicle roll backward while the shift lever is in a driving position, or roll
forward while the shift lever is in R.
Doing so may cause the engine to stall or lead to poor brake and steering perfor-
mance, resulting in an acciden t or damage to the vehicle.
●Do not shift the shift lever to P while the vehicle is moving.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Do not shift the shift lever to R while the vehicle is moving forward.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Do not shift the shift lever to D while the vehicle is moving backward.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Shifting the shift lever to N while the vehicle is moving will disengage the engine from
the transmission. Engine braking is not available when N is selected.
●Be careful not to shift the shift lever with the accelerator pedal depressed. Shifting the
shift lever to a gear other than P or N may lead to unexpected rapid acceleration of
the vehicle that may cause an accident and result in death or serious injury.
■If you hear a squealing or scraping noise (brake pad wear limit indicators)
Have the brake pads checked and replaced by your Lexus dealer as soon as possible.
Rotor damage may result if the pads are not replaced when needed.
Front brakes only: Moderate levels of brake pad and disc wear allow enhanced front
braking power. As a result, the discs may wear more quickly than conventional brake
discs. Therefore, when replacing the brake pads, Lexus recommends that you also
have the thickness of the discs measured.
It is dangerous to drive the vehicle when the wear limits of the brake pads and/or those
of the brake discs are exceeded.
4077-3. Do-it-yourself maintenance
7
Maintenance and care
IS350/250_U (OM53758U)
■Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN” lines
on the tank.
■Adding fluid
Make sure to check the fluid type and prepare the necessary items.
■Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
Brake fluid
Fluid typeSAE J1703 or FMVSS No.116 DOT 3 brake fluid
ItemsClean funnel
CAUTION
■When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean water
immediately.
If you still experience discomfort, see a doctor.
NOTICE
■If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads wear out or
when the fluid level in the accumulator is high.
If the reservoir needs frequent refil ling, there may be a serious problem.
5069-1. Specifications
IS350/250_U (OM53758U)
*1: Minimum pedal clearance when depressed wi th a force of 112.4 lbf (500 N, 51.0 kgf)
while the engine is running.
*2: Parking brake pedal travel when depressed with a force of 67.4 lbf (300 N, 30.6 kgf)
Brakes
Pe d a l c l e a r a n c e*12WD4.2 in. (107 mm) Min.
AW D4.7 in. (118 mm) Min.
Pedal free play0.04 — 0.08 in. (1.0 — 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake pedal travel*27 10 clicks
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)
553Alphabetical index
IS350/250_U (OM53758U)
Alarm .............................................................. 71
Anchor brackets ...................................... 58
Antennas (smart access system with push-button start) ....................... 114
Anti-lock Brake System (ABS)....... 234 Function .................................................. 234
Warning light ...................................... 455
Approach warning (dynamic radar cruise control) ......................... 201
Armrest .................................................... 367
Assist grip ................................................ 369
Audio input.............................................. 266
Audio system.......................................... 260 Audio input............................................266
AUX port/USB port........................266
Bluetooth
® audio.............................. 309
CD player ..............................................287
iPod ...........................................................293
MP3/WMA/AAC disc .................287
Optimal use .......................................... 274
Portable music player ..................... 300
Radio ......................................................... 281
Steering wheel audio switch ........265
USB memory .......................................296 Automatic headlight leveling
system ...................................................... 174 Warning light ....................................... 456
Automatic High Beam ......................... 176
Automatic light control system ...................................................... 173
Automatic transmission....................... 164 If the shift lever cannot be shifted from P ............ 487
M mode .................................................... 167
Paddle shift switches..........................166
AUX port .................................................266
Average fuel economy ..........................87
Average vehicle speed..........................87
563Alphabetical index
IS350/250_U (OM53758U)
Odometer ....................................................81
OilEngine oil............................................... 502
Front differential oil........................... 505
Rear differential oil ............................ 505
Opener Hood ....................................................... 399
Trunk ......................................................... 109
Outer foot lights Location ................................................. 356
Replacing light bulbs ........................ 442
Wattage ................................................. 509
Outside rear view mirrors ..................134 Adjusting and folding........................ 134
Blind spot monitor.............................246
Linked mirror function when reversing ................................. 135
Mirror position memory ...................123
Outside rear view mirror defoggers ........................... 350
Outside temperature...............................81
Overheating, Engine .......................... 494 Paddle shift switches............................. 166
Parking assist sensors
(intuitive parking assist).................... 214
Parking brake .......................................... 172
Parking lights ........................................... 173 Light switch............................................. 173
Replacing light bulbs ....................... 442
PCS (Pre-Collision System)............ 240 Function .................................................. 240
PCS OFF switch .................................. 241
Warning light ....................................... 456
Personal lights ........................................357 Wattage ................................................ 509
Pop-up display ......................................... 88
Power easy access system ................. 124
Power outlet ........................................... 366
Power steering (Electric power steering system) ................................ 235 Warning light .......................................455
Power windows....................................... 137 Door lock linked window operation ...........................139
Jam protection function................... 138
Operation................................................ 137
Window lock switch .......................... 137
Pre-Collision System (PCS)............ 240 Function .................................................. 240
PCS OFF switch .................................. 241
Warning light ....................................... 456
OP
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.