One of only 249 GM dealerships nationwide recognized for eco-friendly efforts HIGHLAND, MI– LaFontaine Cadillac Buick GMC is showing customers its environmental credentials and was named a 2018 General Motors certified Green Dealer. According to the automaker, LaFontaine Cadillac Buick GMC has a … [Read more...] about Congratulations to the LaFontaine Buick GMC for achieving GM Green Dealer Certification recognition 2015-2018!