See also:

All-wheel drive
All-wheel drive is standard with the twin-turbo 3.5-liter V6. In good weather over smooth roads at modest speeds - when AWD is not needed - the system intelligently routes power only to the front wh ...

Troubleshooting
...

Snow tires and chains
WARNING: Snow tires must be the same size, load index, speed rating as those originally provided by Ford. Use of any tire or wheel not recommended by Ford can affect the safety and performance o ...