Roadside Assistance Services in Fontana, CA is Proactive Mobile Road Service does best. We offer lockout service, battery replacements, jump starts, tire changes, gas delivery, car unlocking, stripped lug nut removal, mobile tires, & other services that complement everyday roadside emergencies. For all your roadside service needs. Serving: Fontana, CA and the surrounding areas. If you get a flat tire,... Read More about Proactive Mobile Road Service