Guardian App Support
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Vehicle Mobile App Support
Find FAQ's and support for MyBrand app
Mobile App Support Topics from OnStar Subscribers
My Chevrolet app will not remote start
App has worked fine on my 2020 ZR2 for the past 4 years however lately it will not remote anything. Attempting to start I get a "server unresponsive" message. Unlocking fails, flashing lights fails. It is connecting to the vehicle as the reported mil...
Incorrect location what is going on here no one from onstar is able to help!
For the past week now mobile app on my phone and my husbands phone are not working. Locations full accessibility etc. Now it worked fine last week My husband is at work and its showing him in the drive way. Come on what are we paying for seriously. I...
2024 Colorado- Vehicle Status NOT Updating
Vehicle status on my 2024 Colorado is not updating in the my Chevy app. I’ve gone to dealership. I called OnStar. I’ve deleted the app. I’ve reinstalled the app. I’ve paired the phone. I’ve driven around. I’ve done all the steps that they have told m...
Incorrect location of a family member
It is showing a family still in a certain location. We've all restarted our phones, but still showing incorrect
My Chevy app not updating atatus
My Chevy app does not update the vehicle status, I have uninstalled the app, logged out, signed back in, drove around for hours, then checked the the app…..still no updates. I get the diagnosis report email from OnStar, I just can’t see any info on t...
My 2024 GMC 1500 will not update status in App
My new truck will not update its status in my app… The app will start and unlock, but it won’t update its fuel or anything else
Login error in myChevy app
Anyone fix this error on a Samsung Galaxy S20 5G?"We ran into a problem with loading your account details. Please try signing in again." OnStar was no help at all.
MyChevy not updating vehicle status
I have redownloaded the app and made it it was up to date. It will has not updated any information for my vehicle for the past 6 days.
My Cadillac app is not showing charging or vehicle data-2024 Lyriq
Getting "unable to load vehicle info. This all started after having my telecommunications module replaced last week.
Resolved! MyChevrolet App Stuck on Multi-Factor Authentication
Hello,When signing in on the MyChevrolet App, I cannot get past the Multi-Factor Authentication screen after logging in with my email and password (custlogin.gm.com). The screen is entirely white, with no text or options available. Leaving the webpag...
My Chevrolet app not seeing vehicle details.
Bought 2021 Silverado and setup OnStar trial. App seem to have all the vehicle details in it (tire pressure, odometer, etc). Trial ended and details are gone. In the app, under echo me status, it asked for the odometer reading for service recommendat...
MyGMC APP - Maps
Maps don't load at all in the MyGMC app for Hummer EV. I have the current version of IOS. I am not able to see anything and thus don't have access to charging locations, locations of the vehicle and all the features. It looks like the app is trying t...
Mobile App
In order to use the app I have to uninstall and reinstall the app everytime I use it.
MyGMC App will not connect Android phone unable to complete authorization
I cannot log in to the MyGMC app on my Android phone. I have tried to uninstall and reinstall and that has not fixed the issue. I can enter email and password. I get the email notification with the second security access code, and I enter the code. A...
