Verify Minutes and Expiration
Push 
and say “minutes” then “verify” to check how many minutes remain and their expiration date.
See also:
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people. Genuine GM parts have one of these
marks:
...
Safety and security
As with all vehicles built on GM's new full-size SUV platform, the '07 Yukon
family features a 360-degree safety system designed around the pillars of
occupant protection, driver control and perso ...
Key Lock Release
Vehicles with an automatic transmission are equipped with an electronic key lock
release system.
The key lock release is designed to prevent ignition key removal unless the shift
lever is in P ...