Description And Operation: Description

The Brake Transmission Shift Interlock (BTSI) system:

• prevents the driver from shifting out of Park unless the service brake pedal is actuated.
• is a "Power to Release" shift mechanism.
• is mechanically locked in Park until power is applied to the solenoid contained within the shifter.
• no brake interlock adjustment is required.
• prevents the shifter from being moved from PARK in the event of a solenoid problem or power loss, unless a manual override is actuated.
• has an override mechanism to allow the vehicle to be shifted out of PARK in the event of an electrical failure.