how do you unlock a GMC Hummer automatic transmission from the park position once the vehicle looses electrical power.
Dec 15, 2010 at 9:47 PM
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FACTORYJACK
✓Experienced Mechanic
4,159 POSTS
If you remove the shift handle, and lift the cupholder/indicator assembly out, there is a push button release on the solenoid. It looks like a large rivet head, approximately the size of a niickel.