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:
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 the v ...
Distracted Driving
Distraction comes in many forms and can take your focus from the task of driving.
Exercise good judgment and do not let other activities divert your attention away
from the road. Many local govern ...
Danger, Warnings, and Cautions
WARNING messages found on vehicle labels and in this manual describe hazards
and what to do to avoid or reduce them.
Danger indicates a hazard with a high level of risk which will result in se ...






