<h1>Keyless Entry Remote Programming Guide – 2008 Audi A5 (Smart Key System)</h1> <p><font size="3"><b> Important Information:</b> The 2008 Audi A5 does not support onboard programming for smart key remotes. Programming requires a certified technician and specialized diagnostic equipment compatible with Audi’s electronic systems.</font></p> <p><font size="3"><b> Step-by-Step Programming Instructions:</b></font></p> <ul> <li><font size="3"> Step 1: Arrange service with a certified Audi dealership or a professional automotive technician experienced in programming Audi smart key systems. </font></li> <li><font size="3">Step 2: Verify that the technician uses manufacturer-approved diagnostic tools that can communicate with your vehicle’s control modules and immobilizer system. </font></li> <li><font size="3">Step 3: Ask whether the technician provides mobile programming services or if the vehicle must be brought to a service location. </font></li> <li><font size="3">Step 4: If your vehicle is drivable, consider transporting it to the technician’s location to potentially reduce mobile service fees. </font></li> <li><font size="3">Step 5: Bring all current smart key remotes with you. Some Audi models require all remotes to be programmed during the same session for full system recognition. </font></li> <li><font size="3">Step 6: During the appointment, the technician will connect professional-grade diagnostic equipment to the vehicle’s onboard diagnostic (OBD-II) port. </font></li> <li><font size="3">Step 7: The technician will access the vehicle’s control unit and securely program the new or replacement remote, linking it with the vehicle’s keyless entry and security systems. </font></li> <li><font size="3">Step 8: After programming is complete, the technician will test all remote functions—such as lock, unlock, trunk release, and push-button start (if equipped)—to confirm successful operation. </font></li> <li><font size="3">Step 9: Ensure that each remote functions as intended before finalizing the service.</font></li> <li><font size="3"> Step 10: Request a service record or programming confirmation for your personal documentation.</font></li> </ul>