Car Wash Hours: Monday - Saturday: 8:00AM-6:00PM Sunday: 9:00AM-5:00PM Performance Plus Oil Change & Car Wash is the Soo's favorite car care team. We offer quick, no-appointment oil changes, car washes and unlimited car wash memberships, and many other preventative maintenance services. Our friends, family & neighbors have trusted our family-owned, Michigan-grown business to care for their vehicles for over... Read More about Performance Plus Quick Oil Change & Car Wash