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:
TPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs
to be matched to a new tire/wheel position after rotating the vehicle’s tires or
replacing one or more of the TPM ...
XM Radio Messages
XL (Explicit Language Channels): These channels, or
any others, can be blocked at a customer’s request,
by calling 1-800-852-XMXM (9696).
XM Updating: The encryption code in the receiver is
b ...
Treadwear 200 Traction AA
Temperature A
The following information relates
to the system developed by the
United States National Highway
Traffic Safety Administration
(NHTSA), which grades tires by
treadwear, traction, and
temper ...