Toyota 2012 Matrix Owner's Manual page 103

2-1. Driving procedures
■
Changing engine switch position
"LOCK"
The steering wheel is locked
and the key can be removed.
(Vehicles with an automatic
transmission: The key can be
removed only when the shift
lever is in P.)
2
"ACC"
Some electrical components
such as the audio system can
be used.
"ON"
All electrical components can
be used.
"START"
For starting the engine.
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