<h1>Keyless Entry Remote Programming Guide – 2009 Audi A4 (Smart Key System)</h1> <p><font size="3"><b>Important Information:</b> The 2009 Audi A4 does not support onboard programming for smart key remotes. Programming must be completed by a qualified technician using specialized diagnostic tools designed for Audi systems.</font></p> <p><font size="3"><b> Step-by-Step Programming Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Contact a certified Audi dealer or a trusted automotive technician who is experienced in smart key programming. </font></li> <li><font size="3">Step 2: Verify that the technician uses approved diagnostic equipment that can interface with your vehicle’s electronic control and immobilizer systems. </font></li> <li><font size="3">Step 3: Schedule an appointment and ask whether the service can be performed at your location or if the vehicle must be brought to a service facility. </font></li> <li><font size="3">Step 4: If your vehicle is operable, driving it to the technician’s facility may help reduce programming-related costs. </font></li> <li><font size="3">Step 5: Bring all current smart key remotes. Many Audi systems require that all remotes be present and programmed together during the same session. </font></li> <li><font size="3">Step 6: At the service location, the technician will connect professional diagnostic tools to the vehicle’s onboard diagnostic port. </font></li> <li><font size="3">Step 7: The technician will then access the vehicle’s control unit to program the new or replacement remote, ensuring it is securely paired with your vehicle’s system. </font></li> <li><font size="3">Step 8: Once programming is complete, all remote functions—such as lock, unlock, trunk release, and push-button start (if equipped)—will be tested for proper operation. </font></li> <li><font size="3">Step 9: Confirm that each remote functions correctly before completing the service. </font></li> <li><font size="3">Step 10: Request a service record or written confirmation verifying successful programming for your personal documentation.</font></li> </ul>