General Motors

Service Desk Phone Numbers:
North America

• US & Canada (GM Online)
  Toll Free: Skype *66; Short dial *66; or 888-337-2400
  
  Toll: 517-272-3707
• US & Canada (M & L Systems)
  Toll Free: Skype *66; Short dial *66; or 888-337-2400
  
  Toll: 517-272-3707
• Mexico (GM Online)
  
  Toll Free:Skype *66; Short dial *66 or 3333
  Toll: +52 722 276 2605
  Toll: +1-313-877-8318
• OnStar
  Toll Free: 877-435-7150
  
  Toll: 248-365-2267
• Please Note: Travelers should use
  +1-517-272-3707 when calling from a country that doesn't allow direct dial of US 800 numbers.