We’re Here for You 

We’re Here for You 

See FAQs for availability. 

 

Get in Touch - Here's How 

Whether you need help with your OnStar account, login information, Wi-Fi* connectivity, or simply have questions about the services, we're here for you. 

Email Us 

For OnStar Connected Services:

For Cadillac, Chevrolet or GMC vehicles:

Call Us 

UAE

For OnStar Connected Services Inquiries

clock icon clock icon Our Advisors* are available 24/7 at

phone icon phone icon 80004444433

For Questions About Your Cadillac, Chevrolet, Or GMC Vehicle 

clock icon clock icon Our customer communications center is open Saturday through Thursday, 8 AM – 8 PM or reach us on 

phone icon phone icon 80002000257

Kuwait

For OnStar Connected Services Inquiries 

clock icon clock icon Our Advisors* are available 24/7 at  

phone icon phone icon 22285334

For Questions About Your Cadillac, Chevrolet, Or GMC Vehicle 

clock icon clock icon Our customer communications center is open Saturday through Thursday, 7 AM – 7 PM or reach us on

phone icon phone icon +20221601847

Saudi Arabia

For OnStar Connected Services Inquiries

clock icon clock icon Our Advisors* are available 24/7 at

phone icon phone icon 8008449102 (STC) or 8008500674

For Questions About Your Cadillac, Chevrolet, Or GMC Vehicle 

clock icon clock icon Our customer communications center is open Saturday through Thursday, 7 AM – 7 PM or reach us on

phone icon phone icon 8008200048

International

For Questions About Your Cadillac, Chevrolet, Or GMC Vehicle 

clock icon clock icon Our customer communications center is open Saturday through Thursday, 8 AM – 8 PM (Gulf Standard Time) or reach us on

phone icon phone icon +20221601847

Have A Specific Query? 

We've got the answers. Visit our FAQs to find what you’re looking for.