1. Prepare the vehicle:
- Sit inside the vehicle and close all the doors.
- Make sure the key is in the ignition, and the gearshift is in the "Park" position.
2. Start the programming mode:
- Turn the ignition from "On" to "Off" three times within 15 seconds.
You will hear a chime to confirm that you are in the programming mode.
3. Program the first remote:
- Within 15 seconds of entering programming mode, press and hold the "Lock" and "Unlock" buttons simultaneously on your first remote for at least 3 seconds.
- You should hear a chime to indicate that the first remote is programmed.
4. Program additional remotes (if needed):
- Repeat Step 3 for any additional remotes you want to program. You must do this within 15 seconds of programming the first remote.
- Each remote must be programmed individually.
5. Exit the programming mode:
- After programming all the remotes you need, turn the ignition to the "On" position for more than 3 seconds, then turn it back to the "Off" position.
- Wait for 30 seconds to ensure that the programming mode has been exited.
Now, the keyless remote should be programmed and functional with your 2003 Honda Accord. If you encounter any issues during the process, refer to your vehicle's owner's manual for specific instructions and verify the compatibility of your remote with the vehicle.
