Dodge 2010 Dakota - Manual (Page 163)

To remove the cleats from the utility rail, remove the end
cap by pushing up on the locking tab, located on the
bottom of the end cap. Slide the cleat off the end of the
rail. REAR WINDOW FEATURES
Rear Window Defroster — If Equipped
The rear window defroster button is located on the
right-side of the Air Conditioning and Heater
Control, below the A/C (snowflake) button. Press this
button to turn on the rear window defroster and the
heated outside mirrors (if equipped). An indicator in the
button will illuminate when the rear window defroster is
on. The rear window defroster automatically turns off
after approximately 10 minutes. For an additional five
minutes of operation, press the button a second time.
NOTE: To prevent excessive battery drain, use the rear
window defroster only when the engine is operating.
Utility Rail End Cap
162 UNDERSTANDING THE FEATURES OF YOUR VEHICLE