See also:

Flash-to-Pass
The flash&-to&-pass feature works with the low beams or Daytime Running Lamps (DRL) on or off. To flash the high beams, pull the turn signal/lane change lever all the way toward you, then ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehic ...

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 Conn ...