Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
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The sun roof issue may be a fault with the sun roof motor itself needing replaced.I have seen this motor fail several times before in the past needing replaced to correct this fault here.
The door lock issue is usually the door latch itself at fault needing replaced as the lock portion of it can bind or fail causing this here.
With the cruise not functioning check and make sure all brake lights are operating properly and if your anti lock brake or traction lights are on and in some cases the check engine light on this can disable the cruise control.If any of these lights are on the fault codes need checked using a scan tool that will plug in and communicate with all computers in your vehicle to see what codes are set then diagnosed and repaired from there.
The maxi fuse panels are located under the hood in the engine area on the drivers side as seen in the link below.
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