MT models
Subaru Impreza / Subaru Impreza Owners Manual / Instruments and controls / Ignition switch / LOCK / MT models

The key can be turned from “Acc” to “LOCK” only when the key is pushed in while turning it.
See also:
Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not
turn off the engine while driving because that will turn off the brake booster,
resulting in poor braking power.
The ...
Acc
In this position the electrical accessories (radio, accessory power outlet, etc.)
can be used. ...
Parking brake lining
The break-in maintenance for the parking brake linings should be performed at
a SUBARU dealer. ...
