Cruise control (green)

Illuminates when cruise control is active.   ...

Trailer direction indicators (green)

Illuminates as a bulb check when the ignition is switched on and extinguishes when the engine is started. If a trailer is attached, the warning lamp will flash in conjunction with the direction ...

See also:

Operation and Displays
The DIC has different displays which can be accessed by pressing the DIC buttons located on the instrument panel, next to the steering wheel. The DIC displays trip, fuel, and vehicle system informat ...

Tpms operation
The TPMS monitors the pressure of the tires via sensors located in each wheel and a receiver located within the vehicle. Communication between sensor and receiver is via Radio Frequency (RF) signa ...

Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will be download ...