See also:

Winter tires
Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...

Remove attached partsfollowing use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

HD Radio™ reception
Many stations broadcast both analog and digital signals. License conditions HD Radio™ technology manufactured under license from iBiquity Digital Corp. U. S. and Foreign Patents. HD Radio™ an ...