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:
OnStar® System
OnStar® uses several innovative technologies and
live advisors to provide you with a wide range
of safety, security, information, and convenience
services. If your airbags deploy, the system is
...
Pairing a Phone
1. Press and hold for two
seconds. The system
responds with “Ready” followed by a tone.
2. Say “Bluetooth”. The system responds with
“Bluetooth ready” followed by a tone.
3. Say ...
Safety Belts
Refer to the following sections for important information on how to use safety belts properly.
► Safety Belts .
► How to Wear Safety Belts Properly .
► Lap-Shoulder Belt .
` ...