Verify Minutes and Expiration
Push 
and say “minutes” then “verify” to check how many minutes remain and their expiration date.
See also:
The Inside
Here's where GM has really outdone itself in its new SUVs. Like the Tahoe,
the Yukon shows off one of the best interiors GM has ever mustered in a
mass-marketed vehicle. All the buttons are of abo ...
Vehicle Security
This vehicle has theft-deterrent features; however, they do not make it impossible to steal. ...
Control of a Vehicle
Braking, steering, and accelerating are important factors in helping to control a vehicle while driving. ...