Originally Posted by onehundred80

The fob signal is received by the SKREEM which signals the BCM to signal the CLP/SSM to operate the appropriate lock(s).
The CLP/SSM does indeed do a lot of functions we forget about or do not realize.
The red indicator in the fob lights briefly when a button to lock or unlock is pressed, you have to be in a dimly lit area to see the flash.