Thread: Onstar says it time for service?????
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  #9  
Old 04-27-2006, 11:34 PM
Jake Jake is offline
Hummer Veteran
  
Join Date: Sep 2005
Posts: 86
Jake is off the scale
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It's in the owners manual... because the place i got my oil changed at looked in the manual and figured it out.... I think you're right on the fact that its prob referring to a tire rotation
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