Here are some simple instructions that will tell you how to program your 2000, 2001, 2002, 2003, 2004 and 2005 Chevrolet Impala keyless entry remote fob yourself at home without going to the dealer!
**YOU MUST HAVE THE ORIGINAL GM RADIO IN YOUR CAR TO DO THIS
IMPORTANT: Before entering programming mode, have in possession all of the transmitters you will be using on the vehicle. Once you program the transmitter, all previous codes will be erased from the memory. The other transmitters will not be functional until you program the transmitters again.
Non scan tool Method:
1) To program the RKE transmitter, you must enter the customization
main menu through the radio. Turn the ignition switch on to ON or ACC
position and turn the radio off. Press and hold the DISP button on the radio for
at least 5 seconds until SETTINGS is displayed. Using SEEK up or down
arrow keys, scroll until FOB PROG appears on the display. Press PREV or NEXT
button to enter lower menu. BEGIN will be displayed.
2) Press DISP button to start programming. When PUSH FOB message
flashes, press and hold both LOCK and UNLOCK buttons on the RKE transmitter for
15 seconds. A chime will be heard to verify transmitter is learned.
3) Repeat step 2) for each transmitter to be used. All transmitters
must be programmed in the same programming sequence.
4) Scroll until EXIT appears in the display. Press DISP button to exit
programming. A chime will sound to verify exit.