Service
Your dealer knows your vehicle best and wants you to be happy with it. We hope you will go to your dealer for all your service needs. You will get genuine GM parts and GM-trained and supported service people.
We hope you will want to keep your GM vehicle all GM. Genuine GM parts have one of these marks:

See also:
When the Change Engine Oil Soon
Message Displays
Change engine oil and filter. See Engine Oil. An Emission Control Service.
When the Change Engine Oil Soon message displays,
service is required for the vehicle as soon as possible,
within the ne ...
Power Door Locks
Power Door Locks
(Unlock): Press to unlock all
doors.
(Lock): Press to lock all doors.
See “Power Door Locks” in Vehicle
Personalization. ...
Stoplamp,Taillamp, and Turn Signal Lamp
Driver Side Shown, Passenger Side Similar
A. Taillamp
B. Turn Signal Lamp
C. Stoplamp/Taillamp
To replace any one of these bulbs:
1. Open the trunk.
2. Remove the push pins securing the trunk ...
