OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview .
See also:
Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use
and displays the CHANGE ENGINE OIL SOON message when it is time to change the
engine oil and filter.
The oil life system ...
Windshield Washer
WARNING!
In freezing weather, do not use
the washer until the windshield
is warmed. Otherwise the
washer fluid can form ice on the
windshield, blocking your vision. ...
Engine & Transmission
The CTS comes standard with a 3.0-liter V-6 engine, but our test car's
optional 3.6-liter V-6 and six-speed automatic transmission are a special pair
among drivetrains. The transmission's shifts a ...






