Towing
See also:
Recommended Fuel
If the vehicle has a V6 engine,
use regular unleaded gasoline with
a posted octane rating of 87 or
higher. If the octane rating is less
than 87, an audible knocking noise,
commonly referred ...
Bluetooth
For vehicles equipped with
Bluetooth capability, the system can
interact with many cell phones,
allowing:
- Placement and receipt of calls in
a hands-free mode.
- Sharing of the cell phone’s ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...






