GM vehicles without built-in navigation gain with Maps Plus rollout. Owners with an OnStar subscription for 2018 and newer vehicles will see the feature automatically. A one-stop system for navigation.

Do you need OnStar to have navigation?

You do not require OnStar with the in-dash Navigation, although with OnStar's recent announcement regarding downloadable directions, you might think twice. This new feature allows you to change or add to your route without putting the vehicle in park to program the nav.

Does GM navigation require a subscription?

1 GM factory-installed navigation system required to send directions to the vehicle. 2 Requires subscription to OnStar Guidance Plan, Premium Access Plan, OnStar Safety & Security Plan, or Navigation Add-On. Services are subject to user terms and limitations and vary by vehicle model.