Buick 2010 Enclave - Manual (Page 327)

Vehicle Care 10-25
Automatic Transmission
Shift Lock Control
System Check
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WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough room
around the vehicle. It should
be parked on a level surface.
2. Firmly apply the parking
brake. See Parking Brake on
page 9‑29.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.
3. With the engine off, turn the
ignition to ON/RUN, but do
not 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),
contact your dealer/retailer for
service.
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition
to LOCK/OFF in each shift lever
position.
. The ignition should turn to
LOCK/OFF only when the
shift lever is in P (Park).
. The ignition key should come
out only in LOCK/OFF.
Contact your dealer/retailer if
service is required.