See also:

TUNE Control (Rotary)
Turn the rotary TUNE/SCROLL control knob clockwise to increase or counterclockwise to decrease the channel. ...

Lumbar Support — If Equipped
This feature allows you to increase or decrease the amount of lumbar support. The control lever is located on the outboard side of the driver’s seatback. Turn the control lever downward to inc ...

Overloading
The load carrying components (axle, springs, tires, wheels, etc.) of your vehicle will provide satisfactory service as long as you do not exceed the GVWR and the front and rear GAWR. The best w ...