<h1>Remote Fob Programming Guide for 2004 Acura MDX</h1> <p><font size="3"><b>Important</b>: The 2004 Acura MDX allows manual onboard programming of keyless entry remotes. This process must be done from inside the vehicle with all doors unlocked. </font></p> <p><font size="3"><b>Step-by-Step Programming Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Ensure all doors are unlocked and you are seated in the driver’s seat. </font></li> <li><font size="3">Step 2: Insert the key into the ignition and turn it to the ON (II) position—do not start the engine. </font></li> <li><font size="3">Step 3: Press and release the LOCK button on the remote you wish to program. </font></li> <li><font size="3">Step 4: Turn the ignition to the OFF (I) position. Leave the key in the ignition. </font></li> <li><font size="3">Step 5: Turn the ignition back to the ON (II) position. </font></li> <li><font size="3">Step 6: Press the UNLOCK button on the same remote. </font></li> <li><font size="3">Step 7: Turn the ignition to the OFF (I) position again. </font></li> <li><font size="3">Step 8: Turn the ignition to the ON (II) position once more. </font></li> <li><font size="3">Step 9: Press the LOCK button again on the same remote. </font></li> <li><font size="3">Step 10: Turn the ignition to the OFF (I) position. </font></li> <li><font size="3">Step 11: Turn the ignition to the ON (II) position a final time. </font></li> <li><font size="3">Step 12: Press and release the LOCK button. If done correctly, the door locks will cycle, indicating the vehicle is in programming mode. </font></li> <li><font size="3">Step 13: Press the LOCK button on each additional remote you wish to program. The door locks will cycle after each one is successfully registered, including the first remote. </font></li> <li><font size="3">Step 14: Turn the ignition to the OFF (I) position and remove the key to exit programming mode. </font></li> <li><font size="3">Step 15: Test all remotes to ensure proper operation.</font></li> </ul>
