3500 Sierra Denali navigation system
Just purchased my new 2015 Sierra. Have a couple of questions on the Navigation system. 1. The Truck is equipped with the navigation system as well as onstar. If I do not keep onstar will I loose th...
Forum Discussion
Jim-Linda wrote:
Have you read the owners manual?
Jim
I have a 15. manual covers all the questions you asked.
and yes Nav is completely seperate from onstar.
and yes, you can turn off the radio
