Is OnStar Down?
Is OnStar not working for everyone right now? Get current OnStar outages, status, timeouts and issue reports today.
OnStar Corporation is a subsidiary of General Motors that provides subscription-based communications, in-vehicle security, emergency services, hands-free calling, turn-by-turn navigation, and remote diagnostics systems throughout the United States, Canada, China, Mexico, Europe, Brazil, and Argentina
https://www.onstar.com/us/en/home/
0 recorded outage reports in the displayed 24-hour window.
More recent independent evidence is needed.
Estimated down reports for OnStar — last 24 hours
Not enough Google Trends data is available for this service yet.
No user-submitted outage reports in the last 24 hours.
OnStar website uptime and response time
Automated access restricted HTTP 403. Last checked 2026-10-19 03:25:07 UTC.
Checked address: https://www.onstar.com/us/en/home/
DNS lookup: 26 ms · TCP connection: 2 ms · TLS handshake: 4 ms. Certificate expires 2027-01-26; trusted connection: yes.
Unknown
Successful website checks (24h)
0 successful / 0 measurable checks
Unknown
Median response time
Unknown
95th percentile response time
0 failed checks; 1 restricted checks. Restricted checks are excluded from the success rate. Gaps are unknown. Response time measures receipt of HTTP headers, not full page load. Checks run from one US monitoring server and do not verify sign-in, API, or app features. These sampled results are separate from down reports and Google activity.
Evidence behind the status
Current availability unconfirmed. More recent independent evidence is needed.
- Official provider feed: not available for this service.
- Direct website measurements: 1 checks in the last 24 hours.
- Google Trends estimate: 0 samples; last checked Unknown.
- Autocomplete: 0 recent query observations. Suggestions are not individual down reports.
Sources measure different things. A reachable homepage can coexist with login or API failures. Missing evidence stays unknown.
Official component status
No mapped official components are available for this product. Parent-company status is not substituted for product status.
Official incident timeline
No product-matched incidents are available in the collected provider history. This does not prove that no incident occurred.
Recovery tracker
No recent recovery can be established from available evidence.
0 consecutive successful checks within the last 30 minutes. These checks measure the public website; they cannot establish recovery of every feature.
Slowdown detection
More successful checks are needed to establish a response-time baseline.
Recent median: unknown · Earlier median: unknown. Flags require at least 3 recent and 5 earlier checks, more than twice the baseline, and at least 500 ms extra latency. Slowness alone does not identify server load as the cause.
Emerging down-report signals
No recent problem-related autocomplete suggestions have been collected for this service.
US English Google autocomplete suggestions help discover problem patterns. They can persist after an incident and do not measure report counts or prove an outage. New phrases require corroboration before accelerating Trends collection.
Is it down in your region?
Run one public website check from a community probe. Results describe that probe, not every user in a country.
Powered by Globalping. Results are reused for 15 minutes. Shared free allowance: up to 60 tests per hour. A successful website check does not verify authenticated app or API functions.
Infrastructure incident context
Check whether broader platform incidents coincide with the problem you are seeing. These providers are context, not verified dependencies of OnStar.
No active incidents in this collected feed.
More about OnStar service
OnStar Corporation is a subsidiary of General Motors that provides subscription-based communications, in-vehicle security, emergency services, hands-free calling, turn-by-turn navigation, and remote diagnostics systems throughout the United States, Canada, China, Mexico, Europe, Brazil, and Argentina. A similar service is known as "Vauxhall/Opel OnStar" in western Europe and "ChevyStar" in Latin American markets. In September 2011 the president of OnStar stated that the service had more than six million customers. On May 9, 2018, Vauxhall Motors announced that Vauxhall OnStar, alongside Opel OnStar services, would cease to operate after December 31, 2020, following Groupe PSA's purchase of Vauxhall Motors and Opel from General Motors. A new aftermarket interior rear-view mirror with a built-in OnStar module, branded as OnStar FMV, became publicly available on July 24, 2011.