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:
Interior Quality & Comfort
The CTS' cabin quality has held up well since this generation first hit the
road as a 2008 model, and it's still competitive against newer entrants like the
535i and M37. Among the highlights are ...
Control Buttons
The buttons used to control the MEM player are:
MEM/CD/AUX: Press to select the MEM player.
SEEK/ SEEK: Press to select tracks or to fast
forward or rewind within a track.
INFO: Press to dis ...
How to Add Coolant to the Surge Tank
WARNING
You can be burned if you spill coolant on hot engine parts. Coolant contains
ethylene glycol and it will burn if the engine parts are hot enough. Do not spill
coolant on a hot engine ...