John's Hack for Headlight Condensation - 2017 GMC Acadia SLT

Our friend Gilbert had a "sealed" headlight full of condensation. GMC suggested replacing it for $2,000. We couldn't find a replacement light under $500 and it could take a day or more to do in the driveway, so John and Gilbert put their heads together and tried this hack: a hair dryer and shop vac to circulate drying hot air in the lens. It took some experimentation - and an hour - but it worked! Take a look...