The Wheels and Waves Car Show is Sep 13-15 in Downtown Seaside. 

On Friday, head to the Old Seaside High School on Holladay Drive for a show and shine, live music, food trucks and a beer garden.
Then on Saturday, its a show and shine on Broadway, a downtown cruise at 4pm, poker walk at 5pm, and live music at Sisu Brewing Co at Times Theatre at 8pm.
Sunday, show and shine until 2pm, awards at 1pm.

For registration information and more: seasidecarshow.com/wheels-waves/