<h1>2021 Audi S3 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 you have all smart key fobs that need to be programmed, as all remotes must be synced during the same programming session. </font></li> <li><font size="3">Step 2: The 2021 Audi S3 is not equipped with onboard programming capability. Programming requires access to specialized diagnostic equipment. </font></li> <li><font size="3">Step 3: Take the vehicle to a facility equipped with Audi-compatible diagnostic tools capable of interfacing with the vehicle's security system. </font></li> <li><font size="3">Step 4: A technician will connect the programming system to the vehicle’s onboard diagnostics (OBD-II) port and initiate the remote pairing procedure as specified by the manufacturer. </font></li> <li><font size="3">Step 5: After programming, test each remote to ensure it performs all intended functions including locking, unlocking, and push-to-start operation.</font></li> </ul>
