The UnderCover Flex is a hard-folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is easy to remove, and is mounted flush with your trucks bed rails.

NOTE: UnderCover Tonneaus are designed from trucks that do not have a bedliner (spray-in bedliners pose no problem). Trucks that have plastic drop in bedliners will require some minor trimming of the bedliner to ensure proper placement of the mounting brackets. Any modi cations must be made to the bedliner and NOT the UnderCover mounting hardware.

1x Hard fold cover 1x Bulkhead seal (on select make/models) 6-8x Rubber filler strips (on select make/models) 4x Cover retainer clamps 6-8x Clamps (on select make/models) 2x Drain tubes

The UnderCover Flex has been out t-ted with a very secure latching assembly to allow the truck to be operated with the cover in the fully open position. To open to this position, turn the red handle to the open position and raise the cover.

1 cover (A) by cleaning the top of the bulkhead with soap and water to remove dirt and debris. Clean the area with isopropyl alcohol to remove wax or grease and to evaporate any remaining water. Allow the surface to dry. Peel the backing and adhere the seal from one bulkhead edge to the other. Remove any excess with scissors or a utility knife. Apply pressure evenly to the …

Call 866-900-8800 Mon - Fri 8:00 am - 5:00 pm CST or email [email protected] NOTE: It is important that all areas where the bed cover mounts are clean and free of debris prior to installing.

The t of the cover to the truck bed is determined by the front mounting brackets. This measure-ment is a good starting point. Unfortunately not all truck beds are assembled 100% square, so some adjustments may be necessary after the cover is set on the truck.

This can be done by placing the tube behind a bed liner, through an existing hole in the bed, or by drilling a 5/8” hole in the bulkhead. PART # FX5100QS For Customer Service, Contact UnderCover Directly | (866) 900-8800 | www.undercoverinfo.com

Model 1080 GMC Sierra Ext/Crew Cab 5.7’ Short Bed 2007-2013 Note: If your truck is equipped with a spoiler style tailgate piece, you will need to replace it with a standard smooth style tailgate piece like the photo to the left.

CARE AND MAINTENANCE UnderCover tonneaus are made from durable materials and require simple care to ensure a long life of performing well and looking great.