2012 Toyota Prius Owners Manual - Page 1157

3-2. Using the audio system Vehicles with a navigation system Canada 3 Refer to the "Navigation System Owner's Manual". Interior features Steering wheel audio switches Some audio features can be controlled using the switches on the steering wheel. For details, refer to the "Display Audio System Owner's Manual" or "Navigation System Owner's Manual". Operation may differ and usage may not be possible with audio/navigation systems that are not compatible with the steering switches in this vehicle. 297 PRIUS v_U (OM47784U)