Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph).
See also:
Adding Coolant to the
Intercooler System
Coolant (CTS-V)
1. Remove the intercooler system
pressure cap when the
intercooler system hoses are no
longer hot. Turn the pressure
cap slowly counterclockwise
about one-quarter of a turn.
If you hear a ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Connec ...
TTY Users
OnStar has the ability to
communicate to the deaf,
hard–of–hearing, or speech–impaired
customers while in the vehicle.
The available dealer–installed TTY
system can provide in-vehicle
acces ...






