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Best way to reach OnStar customer service

There are 4 ways to contact customer service and other departments - 5 OnStar customers recommend the information below

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Here are all the ways to contact OnStar, ranked by customers for speed and quality

Some are fast, some offer better support - all shown below in case you have trouble getting help. Click for details, shortcuts to customer service and more.
  Contact information Instructions / Shortcuts Average wait Support quality Recommendations
888-466-7827 Press 1, then 0 5 mins
138 View details ›
http://www.onstar.co... Online customer service sup... < 1 min
0 View details ›
https://www.facebook... Company Facebook help page Unknown
0 View details ›


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