Automatic Transmission Shift Lock Control Function; Check - Chevrolet 4500HD Series 2019 Manual

274 Vehicle Care
Automatic Transmission
Shift Lock Control
Function Check
When the Selector Lever
Cannot be Moved From the "P"
Position
Perform the following when the
selector lever cannot be moved from
the "P" position.
Caution
When the selector cannot be
operated from the P position to
any other position even after
performing the operation below
repeatedly, the shift lock system
may have a failure. Have the
vehicle inspected at your dealer.
When performing the below
operations, make sure the parking
brake is securely engaged.
1. Securely pull the parking brake
lever and stop the engine.
2. Remove the cup holder (1) by
removing the three Torx
bolts (2).
3. Remove the selector lever
cover by removing the four
screws and lifting it up.
®
4. Operate the selector lever (1)
while pressing the release
lever (2).
When installing the cover, perform
the removal procedure in reverse
order.