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:
Tires
Every new GM vehicle has
high-quality tires made by a
leading tire manufacturer. See
the warranty manual for
information regarding the tire
warranty and where to get
service. For additiona ...
Power Reclining Seatbacks
Power Reclining Seatbacks
To adjust a power seatback,
if equipped:
• Tilt the top of the control
rearward to recline.
• Tilt the top of the control forward
to raise. ...
Conference Calling
Conference calling and three-way
calling must be supported on the
Bluetooth phone and enabled by the
wireless service carrier to work.
To start a conference while in a
current call:
1. Turn ...