Buick La Crosse Door Lock

Does The Car Computer Have To Be Accessed To Re-program The Two Remote Door Locks? They Both Do Not Work After Replaceing The Battries. Bob...

Key Fob With Factory Remote Start Rarely Works To Unlock Doors Or Trunk Or To Lock Doors Or Start Remotely, I Have Replaced The Battery...

Where Is The Locking Relay Located If Any? My Power Door Lock Button Works Most Of The Time But Sometimes It Won't. Even With The Remote...