Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M 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:
Disc Music Menu
Press the SELECT knob to access
the Disc music menu.
Turn the SELECT knob to scroll,
then press it to select any of the
following category buttons on the
MP3 music menu to display the
corre ...
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone. Say
“Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Sa ...
Cellular Phone Usage
Cellular phone usage may cause
interference with the vehicle's radio.
This interference may occur when
making or receiving phone calls,
charging the phone's battery,
or simply having the phon ...