Buick 1993 LeSabre Owner's Manual page 292

CHECK OR
SERVICE
Brake-
Transmission
Shift Interlock
BTSI
Automatic
Transmission)
WHAT TO DO
CAUTION: When you are doing
this check, the vehicle could
I
move suddenly. If it does, you
or others could be injured.
Follow the steps below.
1. Before you start, be sure you have
enough
room
around the vehicle. It
should be parked on a level surface.
2. Firmly 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.
3.
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
" P '
(Park) with normal
effort. If the shift lever moves out of
" P '
(Park), your vehicle's BTSI
needs service.
CHECK OR
I
SERVICE
I
WHAT TO DO
Steering While parked, and with the parking
Column Lock brake set, try to turn the key to
"LOCK" in each shift lever position.
The key should turn to "LOCK"
only when the shift lever is in
"P'
(Park).
The
key should come out only in
"LOCK."
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