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:
Top Tether Anchor
A top tether (A, C) anchors the top of the child
restraint to the vehicle. A top tether anchor is built
into the vehicle. The top tether attachment (B)
on the child restraint connects to the top ...
Running the Engine While Parked
It is better not to park with the engine running. But if
you ever have to, here are some things to know.
CAUTION:
Idling the engine with the climate control
system off could allow dangerous exha ...
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted to
change the PIN the first time when
speaking with an Advi ...