The motorized mechanism has a manual release. Located behind the “Reset” hole is a small gear. Use a small flathead screwdriver to rotate the gear clockwise gently (as shown in Figure 14 of the installation manual). Do not force—teeth break easily.
: The unit powers on automatically with the vehicle's ignition (ACC or ON). Menu Navigation Pioneer Carrozzeria Avic-hrv22 Manual
: If the system malfunctions, use a pointed object (like a ballpoint pen) to press the small recessed reset button. The motorized mechanism has a manual release
While the full manual is often in Japanese, basic functions typically follow Pioneer's standard interface: Power Control Pioneer Carrozzeria Avic-hrv22 Manual