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.
For Radio with CD:
1. Turn or press the TUNE/MENU knob and select Enter Number.
2. Enter the character sequence. See “Entering a Character Sequence” in Operation for more information.
For Radio with CD and Touchscreen:
1. Touch Enter Number.
2. Use the keypad to enter the number.
See also:
Lane Departure Warning (LDW)
Light
For vehicles with the lane
departure warning system,
this light briefly comes
on green, while starting the
vehicle, to indicate that it
is working.
If it does not, have the vehicle servic ...
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 ...
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need ...
