whats this the RSC when it says --service engine RSC now and were is it located on 2007 Mercury Mountaineer

whats this the RSC when it says --service engine RSC now and were is it located

by in Weslaco, TX on March 26, 2014
1 answer
ANSWER by on March 26, 2014
It is either Rear Seat Cushion or... "Roll Stability Control" , it should be in your manual! It needs to be tested by a mechanic with a scanner!..