stop engine low pressure oil

Well, don't drive the car until oil pressure or lack of it is verified. You don't want to damage the engine. You probably need a new oil pump, but before doing that, have a mechanic hook up a gauge to check and verify the actual pressure. You might get lucky and need only a new sending unit, which is a dirt cheap repair compared to anything else. I have had to put both oil pumps and sending units in engines, and it seems to be about 50-50 on which repair is needed. I like cars with gauges, but of course you spend all that money and still only get idiot lights! Good luck.

Did he ck to make sure it had oil because once caddies go below 2 1/2 quarts you will get the sign if oil is good then I would agree with fredmac