Onstar System; Global Positioning System (Gps) - GMC Chevrolet Silverado 2500HD 2021 Owner's Manual

168 Infotainment System
Navigation capabilities. The system will
show an alert when the subscription is
expiring and will ask to renew the plan.

OnStar System

With a connected plan, an OnStar Advisor
can download a destination to the vehicle or
into the built-in navigation system.
Touch OnStar Services on the Home Page to
access the OnStar menu. Touch Turn-by-Turn
Directions icon while on the Services tab of
the OnStar menu.
Turn-by-Turn Navigation
If equipped, after touching the Turn-by-Turn
Directions icon, select destinations from
Recents or Favorites. Recents or Favorites
will be empty if this is the first use. To find
new locations, touch OnStar Advisor, Home
Directions, Place Voice Search, or Address
Voice Search.
Lane Guidance
When available, the system will show the
best lane(s) to be in for the next maneuver.
Cancel a Route
If a route is in progress using either the
vehicle navigation system or the
Turn-by-Turn route, and a new route is
requested, the current route in progress will
be canceled.

Global Positioning System (GPS)

If equipped, the position of the vehicle is
determined by using satellite signals, various
vehicle signals, and map data.
At times, other interference such as the
satellite condition, road configuration,
condition of the vehicle, and/or other
circumstances can affect the navigation
system's ability to determine the accurate
position of the vehicle.
The GPS shows the current position of the
vehicle using signals sent by GPS satellites.
When the vehicle is not receiving signals
from the satellites, a symbol appears in the
status bar.
This system might not be available or
interference can occur if any of the
following are true: