Three-Way Calling
Three-way calling must be supported on the cell phone and enabled by the wireless service carrier.
1. While on a call, press 
.
2. Say “Three-way call.”
3. Use the dial or call command to dial the number of the third party to be called.
4. Once the call is connected, press
to link all callers together.
Ending a Call
Press 
to end a call.
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
To mute a call, press , and then
say “Mute Call.”
To cancel mute, press , and then
say “Un-mute Call.”
See also:
Roadside Assistance Program
U.S.: 1-800-252-1112
TTY Users: 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance program.
See Roadside Assistance Pr ...
First Engine Oil Change After Every
80 000 km/50,000 Miles
• Engine air cleaner filter replacement. See Engine
Air Cleaner/Filter.
• Automatic transmission fluid change (severe
service) for vehicles mainly driven in heavy
city traffic in hot weathe ...
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/3,000 mi.
Have underbody flushing service performed once a year.
...