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Shift Lock and Key Interlock System: General

To increase safety during standing start, the shift lock system prevents movement of the select lever from the "P" position to any other position unless the brake pedal is depressed. This system is also provided with a key interlock function which prevents removal of the ignition key from the key cylinder unless the selector lever is placed in the "P" position.

The automatic transmission for turbo models is redesigned to have an N-R mechanism which consists of a solenoid, lock plate and select lock lever lock pin, etc. added to the conventional shift lock device.

Fig 1: Identifying Components Shift Lock & Key Interlock System
G00933800Courtesy of SUBARU OF AMERICA, INC.