Shifter/Ignition Interlock System
SHIFT INTERLOCK SYSTEMDESCRIPTION
The Brake Transmission Shifter/Ignition Interlock (BTSI) is a cable and solenoid operated system that prevents the transmission gear shifter from being moved out of PARK without a driver in place. Refer to the chart that expected shifter response, depending on ignition key/switch (Fig. 291) and brake pedal positions.