Mold removal

How can I remove mold from a 2000 cadilac deville. It might be in the Air conditioning.

Mold requires moisture, so the first order of business is to find out where the extra moisture is coming from. Since you think the mold is in the a/c, the likely culprit is a clogged a/c drain. This can usually be cleared by inserting a length of weed trimmer string into the drain tube. Generally, this tube goes through the firewall into the engine compartment on the passenger side of the car. If you hear water sloshing in the dashboard while you drive, a clogged drain is almost certain.

If the mold is in the a/c, you can try a product like one of these:

In any guide or manual that approaches countering mold or other odors in a vehicle the first step is to determine if the odor is coming form somewhere in the cabin or from the AC system. Figure that out and we can go from there.