<h1>2021 Audi RS 3 Smart Key Remote Fob</h1> <p><font size="3">Step-by-Step Programming Instructions </font></p> <p><font size="3"><b>Programming Procedure:</b> </font></p> <ul> <li><font size="3">Step 1: Ensure all smart key fobs intended for use are present. Any fobs not programmed during this session will not operate the vehicle. </font></li> <li><font size="3">Step 2: The 2021 Audi RS 3 requires diagnostic programming using specialized equipment. Manual or onboard procedures are not available for this model. </font></li> <li><font size="3">Step 3: Transport the vehicle to a certified automotive technician who has access to Audi-approved diagnostic tools capable of programming smart key systems. </font></li> <li><font size="3">Step 4: The technician will connect to the vehicle’s onboard diagnostics port (OBD-II) and initiate the remote fob programming sequence. </font></li> <li><font size="3">Step 5: Each key fob will be electronically paired with the vehicle's security system, ensuring full functionality including keyless entry and push-to-start. </font></li> <li><font size="3">Step 6: Once completed, verify that all remotes are working by testing locking, unlocking, and ignition features.</font></li> </ul>
