Step-by-step guide


  1. From the main menu, enter DTNav. 

  2. The main DTNav screen has a button for Settings:
  3. After pressing on the Settings button, you’ll want to press on Truck Settings:

  4. Then Truck Warnings:

  5. Then Speed Limit Warning:

  6. You can then select the speed, relative to the posted speed limit, that the warning will trigger. Placing the slider all the way to the left will disable the warning


  7. Touch the "Done" button when you're done


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