Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Turning the System On and Off
The URPA system can be turned on and off using the infotainment system controls.
See Vehicle Personalization on page 5‑33 for more information.
When the system is off, PARK ASSIST OFF display ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor can assist in canceling or removing account
information. If OnStar receives information that vehicle ownership has changed,
...
Safety Belt Care
Keep belts clean and dry.
WARNING
Do not bleach or dye safety belts.
It may severely weaken them. In a crash, they might not be able to provide adequate protection.
Clean safety belts only with mi ...