Dual Tone Multi-Frequency (DTMF) Tones
The in—vehicle Bluetooth system can send numbers during a call. This is used when calling a menu—driven phone system.
1. Turn or press the MENU/ SELECT knob and select Enter Number.
2. Enter the character sequence.
See “Entering a Character Sequence” in Operation for more information.
See also:
Keys
WARNING!
Leaving children in a vehicle with
the ignition key is dangerous for
many reasons. Children or others
could be badly injured or even
killed. They could operate the
power windows or ...
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 ...
Warning Lights, Gauges, and Indicators
Warning lights and gauges can signal that something is wrong before it
becomes serious enough to cause an expensive repair or replacement. Paying
attention to the warning lights and gauges could pre ...






