you have to resync the remote after changing the battery, stand next to car hold the lock and unlock buttons down for about 7 seconds or until you hear the horn chirp, thats it good luck
Source(s):Impala LS ownerhow do you program your keyless remote for 2003 Chevy blazer
How do i you program keyless remote for a 2004 malibu?
how do you program keyless entry remote for 2008 Chevy impala For the LT it's on page 3-48 of the "Owner's Manual", (relearn remote key) done thru the Vehicle Information button of the Driver Information Center...
How program my keyless entry remotes for 2003 chevy malibu
I have a use remote that I need to program
See FOB PROG (Remote Keyless Entry Transmitter Programming) on page 2-45 of your "Owner's Manual", under Section 2: Features and Controls - Vehicle Personalization.....
See FOB PROG (Remote Keyless Entry Transmitter Programming) on page 2-29 of your "Owner's Manual", under Section 2: Features and Controls - Vehicle Customization Settings.....
This vehicle requires a scan tool to program the remote, a dealer or locksmith will have to do it.
Id say eBay or Amazon just got to make sure the number on the back of remote matches the car :-) and you should be able to program it through the stereo
Try this site www.programyourremote.com
replaced battery and now remote doesnt work . how do you reprogram remote
programyourremote.com simply put.. "Program Your Remote.com"