Certified Service

GM Certified Service in Durham Region

Today’s car repair customer won’t tolerate anything short of the best. To us, that means expertise, professionalism, accurate repairs, and a passion for customer service. At the Ontario Motor Sales GM Certified Service Centre, we provide just that, striving for excellence in car repair and maintenance for over 90 years.

Ready to get started? Give our Certified Service Centre a call, book an appointment, or shoot us a message online!

Introducing OMS Direct: Service

Introducing OMS Direct. Vehicle maintenance will always be necessary. Allow us to make it painless.

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Shop our current service promotions

Discover service offers exclusive to our valued customers. Rest assured, only Certified Service experts will work on your vehicle.

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Book a service appointment online

Whether you're looking to swap tires, get oil changed or a full car detailing—you can book it all online.

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Visit the Ontario Motor Sales' Tire Store

Find the right tires for you using our online tire store. Price shopping? Go ahead—check us last. We'll match the lowest price, guaranteed.

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Winter Tire Clearance Pricing!

Not quite winter ready yet? We're here to help! Check out our best winter tire prices yet!

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We answer all of your burning automotive questions

Our Certified Service experts are ready to answer all of your most-pressing service inquiries. Send us a question.

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Shop our selection of automotive parts

Looking for a specific part or accessory for your vehicle? Visit our parts department. The team will be happy to help!

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GM Recall Information Centre

Are you driving a recalled GM vehicle? Read up on the most recent recall details here.

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Hours of Operation

  • Service

Service

Service

  • Monday - Friday

    7:00am - 6:00pm

  • Saturday

    8:00am - 4:00pm

  • Sunday

    Closed