[evldave]

I just bought a basic Actron CP9125 PocketScan D from Amazon, $54 - reads the codes and can reset the light. I ditched onstar, so don't have that ability, but for $54 you can't beat the price - my buddy's 1998 Chevy truck just tossed a check engine light, once it shows up, I'll let you all know how well it works.