Lexus IS 350C 2012 Manual page 150

2-1. Driving procedures
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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 transmission)
or clutch pedal (vehicles with a manual transmission) released. (The
mode changes each time the switch is pressed.)
150
OFF*
Emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can be
used.
The "ENGINE START STOP"
switch indicator turns amber.
IGNITION ON mode
All electrical components can
be used.
The "ENGINE START STOP"
switch indicator turns amber.
*
: If the shift lever is in a position
other than P when turning off
the engine, the "ENGINE
START STOP" switch will be
turned to ACCESSORY mode,
not to OFF. (vehicles with an
automatic transmission)