Toyota Avalon 2008 Quick Reference Manual page 149

Changing engine (ignition) switch mode
n
Modes can be switched by pressing the "ENGINE START
STOP" switch when carrying the electronic key on your person.
*
: The power cannot be switched to OFF unless the shift lever is in "P".
2-1. Driving procedures
*
OFF
Emergency flashers can be
used.
ACC mode
Some electrical components
such as the audio system can
be used.
The "ENGINE START STOP"
switch indicator turns amber.
ON mode
All electrical components can
be used.
The "ENGINE START STOP"
switch indicator turns amber.
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