Indicated by the name, non prescription eyewear, without a lens prescription, also called clear lens glasses, is less important in function, but is quite critical and helpful in enhancing the wearer's facial look.
The 2011 Buick Enclave is rated for a maximum tow of 4,500 pounds. Back the Enclave up to the trailer's tongue. Ask someone to stand by and direct you. When the Enclave is in position, lower the trailer coupler onto the Enclave's hitch and lower the latch.
Towing capacity for the Denali HD, with a conventional hitch is 13,000 pounds. With a gooseneck or fifth wheel, it spikes to 16,800. We pulled a 20-foot enclosed car trailer loaded with a Mazda Miata and some spare wheels and tools. All totaled, the load weighed 5,760 pounds.