Circuit/System Description
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
The keyless entry control module controls the retained accessory power relay 2 through the control circuit by applying voltage to the interruptible retained accessory power relay coil control circuit. The retained accessory power relay 2 is energized when the ignition is in the ACCESSORY or the ON position. The relay is also energized for approximately 10 min after shutting the ignition OFF, providing no door is opened