Working with the engine on

WARNING: To reduce the risk of vehicle damage and/or personal burn injuries, do not start your engine with the air cleaner removed and do not remove it while the engine is running.
1. Set the parking brake and shift to P (Park).
2. Block the wheels.
See also:
The Inside
The MKX's cabin is mostly an asset, but a couple of aspects hold it back. I
found it pretty easy to get into the seats, which provide a nice ride height
without requiring a grappling hook — or ste ...
Front seats
WARNING: Reclining the seatback can cause an occupant to
slide under the seat’s safety belt, resulting in severe personal
injuries in the event of a collision.
WARNING: Do not pile cargo higher t ...
Fuel quality
If you are experiencing starting, rough idle or hesitation driveability
problems during a cold start, try a different brand of unleaded gasoline.
If the problems persist, see your authorized deal ...
