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OnStar Connected Services and Wi-Fi data plans are currently not available. Launch dates and countries to be announced.

We greatly value your questions, comments and feedback. Please contact us using one of the methods outlined below.

Have a specific query?
Read our FAQ’s for solutions

For OnStar and Connected Services,
For Cadillac, Chevrolet or GMC vehicles,

For any questions about your Cadillac, Chevrolet or GMC vehicle, Our Customer Communications Center is open Sunday through Thursday, from 8 a.m. to 8 p.m.

International - +20221601847

Bahrain - 80004434

Saudi Arabia - 8008200048

UAE - 80002000257

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