See also:

Programmable Locking Feature
Following are the two locking modes that can be programmed: Mode 1: All doors lock when the transmission is shifted out of PARK (P). Mode 2: All doors lock when the vehicle speed is greater t ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...