MORE CONVENIENCE WITH YOUR GMC
Get ready to take your ride to the next level with OnStar Connected Services. Activate your free trial and 10 years of Standard Connectivity§
We are here to make sure you are always connected, no matter where the road takes you.
Get ready to revolutionize your driving experience! With just a tap of your finger, you can keep your car in tip-top shape and control it from afar with ease.
SAFETY & SECURITY
With a team of specially trained Advisors§ and 25 years of know-how, our safety and security services have got your back 24/7
AUTOMATIC CRASH RESPONSE
TECHNOLOGY NEVER STOPS WITH ONSTAR
Explore OnStar services that are required to suit your everyday needs.
Bring your favorite online world of entertainment with you wherever you go thanks to our super strong 4G LTE Wi-Fi§ that delivers speedy and dependable internet, connecting up to 7 devices.
By activating OnStar, you get up to 10 years of Standard Connectivity§ that will allow you to enjoy benefits like Monthly Health Checks, Diagnostic Alerts§, Dealer Maintenance Notifications§ and Smart Driver§ features.
ALL THE BENEFITS AT YOUR FINGERTIPS
Get your dream Sierra HD and experience it in a whole new way in just a few clicks – what are you waiting for?