The Auto-Master Lens can be used in ALL vehicles with the EXCEPTION of OPEN BACK PICK UP TRUCKS but will work PERFECTLY with maximum efficiency with pick up trucks that have a CAMPERSHELL installed.

The Auto-Master Lens MUST be pulled to a VERTICAL position to operate as designed.

The Auto-Master Lens is positioned and attached onto the REAR GLASS of your vehicle on the opposite side of the driver about 9 - 10 Inches away from the edge of the rear glass on the side and about 5 - 7 Inches away from the top.

Very roughly, measure half of the rear glass and then measure half of that and then find the best spot to affix the Auto-Master Lens with the aid or without the aid of someone else. You may want to use a regular scotch tape BEFORE peeling off the Lens's attachment grip ( this grip is extremely powerful and it is impossible to peel off without breaking, so please be very careful and stick ONLY after you are totally sure about the place you want it to be ) and tape it over it and place it on your rear glass and then go to your seat and see how well you are able to see the LOW OBJECT DIRECTLY BEHIND your car, repeat steps until you get the PERFECT spot according to your vehicle and your own view.

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