Roof Rack System
See also:
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 ...
Cruise Control
CTS Shown, CTS–V Similar
The cruise control buttons are
located on the left side of the
steering wheel.
: Press to turn the system on or
off. The indicator light on the button
turns on wh ...
When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1
L (1 qt) of the recommended oil and then recheck the level. See “Selecting the
Right Engine Oil” in this section for an e ...






