2009 Lexus IS250 engine

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Page 120 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 120
2-1. Driving procedures
CAUTION
●Do not turn the engine off while driving. 
The power steering and brake booster system will not operate properly if the
engine is not running.
●Use engine brak

Page 121 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 121
2-1. Driving procedures
2
When driving
CAUTION
■When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and reduce
your ability to control the

Page 122 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 122
2-1. Driving procedures
CAUTION
■When the vehicle is parked
●Do not leave glasses, cigarette lighters, spray cans, or soft drink cans in the vehi-
cle when it is in the sun.
Doing so may resul

Page 123 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 123
2-1. Driving procedures
2
When driving
CAUTION
■When taking a nap in the vehicle
Always turn the engine off. Otherwise, you may accidentally move the shift lever or
depress the accelerator pedal

Page 125 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 125
2-1. Driving procedures
2
When driving
NOTICE
■If you hear a squealing or scraping noise (brake pad wear limit indicators)
Have your Lexus dealer check and replac e the brake pads as soon as pos

Page 126 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 126
2-1. Driving procedures
Engine (ignition) switch
Performing the following operations when carrying the electronic key on
your person starts the engine or changes “ENGINE START STOP” switch
mod

Page 127 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 127
2-1. Driving procedures
2
When driving
Manual transmissionCheck that the parking brake is set.
Check that the shift lever is set in N.
Firmly depress the clutch pedal.
The “ENGINE START STOP”

Page 128 of 488

Lexus IS250 2009  Using the audio system / LEXUS 2009 IS350/250 OWNERS MANUAL (OM53669U) 128
2-1. Driving procedures
■Changing “ENGINE START STOP” switch mode
Modes can be changed by pressing the “ENGINE START STOP”
switch with the brake pedal (vehicles with an automatic transmi