Unlocking with Keyless Entry System
WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
When trunk lid open button on remote controller is pushed for more than 1 second with ignition mode "OFF", keyless start control module outputs a trunk lid opener request signal to BCM through CAN communication. When BCM receives signal, it activates trunk lid opener actuator.