Brake-Transmission Shift Interlock-Btsi; Steering Column Lock - GMC SIERRA 1995 Manual

Brake-Transmission Shift Interlock
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BTSI
1.
2.
3.
Before you start, be sure you have enough room around the vehicle. It
should be parked on a level surface.
Firrnly apply the parking brake (see "Parking Brake" in the Index if
necessary).
NOTE: Be ready to apply the regular brake immediately if the vehicle
begins to move.
With the engine off, turn the key to the RUN position, but don't start
the engine. Without applying the regular brake, try to move the shift
lever out of PARK (P) with normal effort. if the shift lever moves out
of PARK (P), your vehicle's BTSI needs service.
Steering Column Lock
While parked, and with the parking brake set, try to turn the key to LOCK
in each shift lever position.
With an automatic transmission, the key should turn to LOCK only
With a manual transmission, the key should turn to LOCK only when
On vehicles with a key release button, try to turn the key to LOCK without
pressing the button. The key should turn to LOCK only with the key button
depressed.
when the shift lever is in PARK (P).
the shift lever is in REVERSE (R).
On all vehicles, the key should come out only in LOCK.
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