Audio Settings
The audio settings can be set for each radio band and each audio player source.
To quickly reset an audio setting value to 0:
1. Press the TONE button.
2. Select the audio setting.
3. Press and hold the SELECT button until the value changes to 0.
Press the 
BACK button to go
back to the Tone Settings menu.
See also:
Making a Call
To make a call:
1. Press once or twice, depending
on the radio.
2. Enter the character sequence. See “Entering a Character Sequence” in Operation
for more information.
3. Select Call ...
Customer Assistance for Text Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or speech-impaired and who
use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance
Center. Any TTY user can comm ...
Automatic Transmission Shift Lock
The vehicle has an automatic transmission shift lock control system. The shift
lock control system is designed to:
. Prevent ignition key removal unless the shift lever is in P (Park).
. Prevent m ...