<h1>2013 Acura MDX Remote Fob Programming Instructions (Remote Functions Only)</h1> <p><font size="3"><b>Important:</b> This procedure programs only the remote features (lock, unlock, panic) of the fob. It does not program the ignition or immobilizer chip. All steps must be performed inside the vehicle with all doors unlocked. </font></p> <p><font size="3"><b>Step-by-Step Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Unlock all doors and sit 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. </font></li> <li><font size="3">Step 4: Turn the ignition to the OFF (I) position. Leave the key inserted. </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 back to the ON (II) position. </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 one final time. </font></li> <li><font size="3">Step 12: Press and release the LOCK button. If successful, the door locks will cycle, indicating that programming mode is active. </font></li> <li><font size="3">Step 13: Press the LOCK button on each remote you want to program, including the one used to start the process. The locks will cycle after each remote is accepted. </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 confirm that locking and unlocking functions work properly.</font></li> </ul>