See also:

Seat heater (if equipped)
1) HIGH – Rapid heating 2) LOW – Normal heating 3) OFF – Off A) Left-hand side B) Right-hand side The seat heater operates when the ignition switch is either in the “Acc” or “ON” position. T ...

Acc
In this position the electrical accessories (radio, accessory power outlet, etc.) can be used. ...

ON
This is the normal operating position after the engine is started. ...