One Call is Enough.

At night, abroad, a car breakdown? No need to become desperate: One call to OnStar is enough and we will help you quickly and professionally.


  • You need help? Just give us a call! Competent advisors are at your service 24/7, 365 days a year.
  • Misplaced your car key? Forgotten to lock your car? No problem! Call the Service Centre and we will be glad to assist you immediately.


OnStar is also available around the clock in many European countries – and of course in your chosen language1


1 To answer your call as quickly as possible, in exceptional circumstances you may be connected first to an English-speaking advisor.