I'm not sure if there is a problem using a manual trans. column on an Auto trans. car.
There is definately a potential safety problem using an Auto Trans. column on a manual trans. car.
The manual trans. column has a lever that must be depressed in order to lock the column and remove the key. The auto trans. column does not have this feature. I heard of one incident where the throttle stuck on a car with manual transmission and an auto. trans column. In an effort to stop the car the driver simply turned off the ingition to stop the engine. Unfortunately this also locked the steering column causing the car to run off the road. (The steering in an auto trans. car can only be locked when the shifter is put in park).
The annoying lever is there for a reason.
I know this sounds like a remote possibility but everyone should be aware of it anyway.
Be safe,
Carroll