Circuit/System Description
WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
When the radio is on, a discrete 12 V signal is supplied on the entertainment remote enable circuit to the audio amplifier and the Color/Navigation Info Display Module (if equipped). This signal is used to control the power state of the components.