Verify Minutes and Expiration
Push 
and say “minutes” then “verify” to check how many minutes remain and their expiration date.
See also:
2010 GMC Terrain Review by Kelsey Mays
It should come as little surprise that the new GMC Terrain, a corporate twin
to the redesigned Chevrolet Equinox, retains most of its sibling's strengths and
weaknesses. The wild card — or, more ...
Front Axle
The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal. ...
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 ...