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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 671 (Functional Description - Information & Entertainment Systems) >> Information & Entertainment System - Functional Description >> Automatic trunk lid actuation >> Control units >> Car Access System (CAS)

Car Access System (CAS)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

The Car Access System (CAS) receives the signal from the remote control or the ID transmitter and checks it. If the check (authentication) was successful, the CAS enables unlocking for the tailgate.