Overload Shutdown
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The accessory AC/DC power control module will turn OFF if the current in the 110 volt circuit exceeds 3.8 amps for 1 second, or 2.5 amps for 10 seconds. The module will turn ON again, when the AC powered device is unplugged from the outlet, and then plugged into the outlet after a 3 second delay.