2002 996 Cruise Control issue, and Central locking issue

2002 996 Targa 3.6 - I have 2 strange electrical issues that I hope will be cured by a new ignition switch: The cruise control works intermittently. When you start the car, you have a 70/30 chance of the cruise control icon illuminating on the speedometer. If you shut the car down and restart it, most times it will illuminate and you can use the CC.
Problem 2 - The security system seems to be confused as to the status of the door locks. The doors will lock and unlock with the remote and with the lock/unlock button on the dash. However, when you use the remote to unlock the car, you get 2 horn beeps 75% of the time. Also, if you use the dash button to unlock the doors, you'll get 2 beeps and the interior light will come on, even if you are going 50mph!
If replacing the ignition doesn't help, I'll have the codes read and see what it is saying. All locks are working, and the glove box and center console storage doors are shut properly. Very strange...

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