Ontario Hyundai is located just off the 15 in Ontario, CA. We are an easy drive from Rancho Cucamonga, Fontana and San Bernardino. Call us today to schedule an appointment with our fully-equipped Service Department. All of our service technicians are OEM certified and highly skilled! Ontario Hyundai is located just off the 15 in Ontario, CA. We are an easy drive from Rancho Cucamonga, Fontana and San Bernardino. Call us today to schedule an appointment with our fully-equipped Service Department. All of our service technicians are OEM certified and highly skilled!