2002 Chevrolet Malibu Q&A

2002 Chevrolet Malibu Question: Malibu 2002 Which problems should be resolved by disconnecting the battery ?

I guess a specific problem will be deleted by disconnecting for a certain duration, then connecting again. I've heard about for reinitialising data for the bad use of "At a distance starting key system" -
Answer 1
what is the car doing and are there any codes? -