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Vehicle Mobile App

Find FAQ and support for the myChevrolet, myBuick, myGMC and myCadillac mobile apps

New Topics from OnStar Subscribers

Climate control from app
I have a 2025 GMC 1500 Sierra Denial Ultimate and I not sure why I can not control climate controls from my app, I have installed the app updated the app signed back in and still no climate controls ...
zane310
New Contributor
5 hours ago Place Vehicle Mobile App
813Views
1like
16Comments
Payment
I did not request onstar but it started coming out of my checking. Want it stopped.
Melvinbelcher
New Member
8 hours ago Place OnStar Plans Q&A
10Views
0likes
2Comments
How do I cancel ONSTAR?
Cancelling Onstar
jyo
New Contributor
8 hours ago Place OnStar Plans Q&A
343Views
0likes
5Comments
Internet stop working
I have 2025 Equinox EV and this happened 2nd time when suddenly I star stopped working, I can’t use google assistant, Alexa, even my mobile app not able to sync looks like Internet connection is stop...
Sukhi123
New Member
8 hours ago Place Technical and Service Support
4Views
0likes
1Comment
On-Star Telmetric Module Failed
I bought my 2023 Chevy Tahoe brand new in 2022. On-star Module Failed a week ago. Dealership said my extended warranty did not cover it. Part is back-ordered with no ETA. They made me pay for the par...
stbelyeu
New Contributor II
21 hours ago Place Technical and Service Support
338Views
4likes
17Comments
OnStar Red Light - 2025 Silverado - 3 Weeks Old
Title says it all - purchased a brand new 2025 Silverado 3 weeks ago…the OnStar light turned red 16 days after we purchased the truck. Called OnStar and the diagnostic test came back with 2 error c...
CypressZR2
New Contributor
21 hours ago Place Technical and Service Support
44Views
0likes
3Comments
MyGMC app not updating mileage, fuel etc
I’ve got a green Onstar light, checked truck for updates, says it’s up to date, and have rebooted iPhone and deleted/reinstalled app. No change. 2025 Sierra 1500 SLT diesel
Jelliott67
New Contributor
22 hours ago Place Vehicle Mobile App
86Views
0likes
6Comments
2025 Escalade streaming services not working
I have a 2025 Escalade. The streaming services worked for the first few months then stopped working one day. I have called on star a dozen times and nothing has happened. The internet works but no...
Twright17
New Contributor
3 days ago Place Technical and Service Support
84Views
0likes
8Comments
Onstar module
Onstar Module needs to be covered by GM , we all payed a pretty penny for our vehicles and for half the features to suddenly fail is not acceptable to me. The. You want to slap us in the face and mak...
clistermann
New Contributor
3 days ago Place Technical and Service Support
19Views
1like
1Comment
OnStar Light Red - Service Driver Assist Message - '25 Sierra 1500 Denali Ultimate
I purchased a new '25 Sierra 1500 Denali Ultimate about a month ago. At about 900 miles I got a 'Service Driver Assist' message every time I started the truck, and the Supercruise function would not ...
blschaefer1
New Contributor
3 days ago Place Technical and Service Support
306Views
0likes
5Comments

Community Announcements

Got questions? We've got answers. Support resources are now available in OnStar Community. Click here to explore the collection of support resources or visit the Support Resources page.

Featured Article

3 MIN READ

Farm-fresh tech

Milas R. lives in San Diego, but it’s where he works that steered him to buy his GMC Yukon with hands-free driver assistance technology from OnStar. He’s a fourth-generation melon farmer, and the fam...