<h1>Keyless Entry Remote Programming Guide – 2015 Audi A4 (Smart Key System)</h1> <p><font size="3"><b>Important Information:</b> The 2015 Audi A4 does not support onboard programming for smart key remotes. Programming must be carried out by a qualified technician using manufacturer-specific diagnostic tools. </font></p> <p><font size="3"><b>Step-by-Step Programming Instructions:</b></font></p> <ul> <li><font size="3"> Step 1: Schedule service with a certified Audi dealership or a trusted automotive technician experienced in smart key system programming. </font></li> <li><font size="3">Step 2: Confirm that the technician uses factory-approved diagnostic equipment compatible with your vehicle’s electronic control module and keyless entry system. </font></li> <li><font size="3">Step 3: Ask whether programming 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 the vehicle is operational, driving it to the technician’s location may reduce service costs compared to mobile programming. </font></li> <li><font size="3">Step 5: Bring all existing smart key remotes with you. Audi systems often require all remotes to be reprogrammed together in the same session to ensure full functionality. </font></li> <li><font size="3">Step 6: At the appointment, the technician will connect professional-grade diagnostic tools to the vehicle’s onboard diagnostic (OBD) port. </font></li> <li><font size="3">Step 7: The technician will access the vehicle’s control system to program and securely pair the new or replacement remote with your vehicle’s electronics.</font></li> <li><font size="3"> Step 8: Once programming is complete, all functions—including lock, unlock, trunk release, and push-button start (if applicable)—will be tested to ensure everything is working correctly. </font></li> <li><font size="3">Step 9: Verify that each smart key remote operates as expected before finalizing the service. </font></li> <li><font size="3">Step 10: Request documentation or a service receipt confirming that programming was completed successfully for your records.</font></li> </ul>