Petaluma’s 17th Salute to American Graffiti, is a classic car show and cruise held on the same streets that George Lucas used to film what many believe is his best movie. Visit the filming sites, check out vintage vehicles and listen to oldies music from XERB radio station. Thursday, May 16: 6 p.m. Jumpstart Dinner. Pre-sale tickets required. Glenn Ranch, 4690 D Street Extension, Petaluma. Friday, May 17: 4–8 p.m. Cruise-in Social. No registration required. Plaza North, 259B N McDowell Blvd, Petaluma. Saturday, May 18: 10 a.m.–8 p.m. Car Show and Cruise, with boulevard cruise at 4 p.m. Historic Downtown Petaluma along Petaluma Boulevard. tinyurl.com/m6mes6f.