Happy’s Drive-Thru Car Wash, 1316 N.E. 134th St. in Salmon Creek, is celebrating its grand opening from 8 a.m. to 7 p.m. Aug. 25 to 27 with free car washes for all guests with a package that includes wax, ceramics and tire shining. Unlimited monthly washes memberships will be offered for $1 for the first month. The event will also include free popcorn, drinks, air fresheners and dash wipes. Other local businesses will be onsite providing giveaways and snacks.