Locking Rear Axle
Vehicles with a locking rear axle can give more traction on snow, mud, ice, sand, or gravel. It works like a standard axle most of the time, but when traction is low, this feature will allow the rear wheel with the most traction to move the vehicle.
See also:
Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps™ and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system.
When ready, the directions will be downlo ...
Turn and Lane-Change Signals
An arrow on the instrument panel cluster flashes in the direction of the turn or lane change.
Move the lever all the way up or down to signal a turn.
Raise or lower the lever until the arrow start ...
Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...