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
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Braking and tire systems
CTS-V includes sophisticated braking and tire systems, in partnership with
two companies renowned for high-performance technology: Brembo and Michelin.
Brembo brakes are at all four corners and in ...
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before
proceeding. See If a Tire
Goes Flat
2. Use the wrench to loosen all of
the wheel nuts. Do not remove
them yet.
3. Find the jacking location using
the diagra ...
Transferring a Call
Audio can be transferred between
the in-vehicle Bluetooth system and
the cell phone.
The cell phone must be paired and
connected with the Bluetooth
system before a call can be
transferred. ...