Toyota PRIUS ALPHA 2012 Quick Reference Manual page 386

3-5. Other interior features
Seat heaters
■
The seat heaters can be used when
The "POWER" switch is in ON mode.
■
When not in use
Turn the seat heater off.
∗
Heats the left front seat
Heats the right front seat
The indicator light comes on.
Press the button again to turn off
the seat heater.
The indicator light turns off.
3
∗
: If equipped
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