Buick 2016 Regal Owner's Manual page 310

Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0 244.
Check ignition transmission lock.
See Ignition Transmission Lock
Check 0 244.
Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 244.
Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
Check tire sealant expiration
date, if equipped. See Tire
Sealant and Compressor Kit
0 277.
Inspect sunroof track and seal,
if equipped. See Sunroof 0 46.
Service and Maintenance 309