Lincoln 2008 MKZ - Manual (Page 178)

Front Wheel Drive (FWD) vehicles:
Do not tow your Front Wheel Drive vehicle with the front drive wheels
on the ground as transaxle damage may occur. It is recommended to tow
your vehicle with the front drive wheels on a dolly or use a car-hauling
trailer.
All Wheel Drive (AWD) vehicles:
Do not tow your All Wheel Drive vehicle with any wheels on the ground
as vehicle or transaxle damage may occur. It is recommended to tow
your vehicle using a car-hauling trailer.
2008 MKZ (378)
Owners Guide (post-2002-fmt)
USA (fus)
Tires, Wheels and Loading
178