There should not be any reprogramming necessary for that unit just drive and the computer will use pre stored maps and functions.
disconnect the battery
They are the standard GM style side post style. www.trailvoy.com Trailblazer enthusiasts forum!
Yes, if it fits the holder.
You have to replace the cluster. Then the dealer must reprogram it with the appropriate mileage. You can find vendors on EBay. www.trailvoy.com Trailblazer enthusiasts forum
Drivers side on front of engine compartment
the battery dies, Belt replacement
Take your key and stick it into the lock on the door and turn.
your onwners manual will tell you how to reprogram the compass
Simple procedure is well documented at our Trailblazer enthusiasts forum www.trailvoy.com Article section for replacing door speakers!
take to dealer. doors have a control module in them either needs reprogram or replacement CHECK YOUR FUSES.
The battery in the remote needs to be replaced.
replaced battery and now remote doesnt work . how do you reprogram remote