Quote:
Originally Posted by trudawg660
i wonder why. if your using tapshift i doubt your really trying to save gas. but you can if you want to because it will let you shift up to 3rd gear from a dead stop
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Just one of those things that GM did to improve on the overall mileage of the car as all OEM's have to maintain a minimum CAFE (Corp Avg Fuel Economy) rating over the entire line and every little bit helps in that regard.
To answer another question you had in your first post. I find the AFM very rarely engages when in M mode. And always engages in D or S.