Certified Service

GM Certified Service

Whether it's routine maintenance or a complex repair, you've come to the right place. Your Certified Service experts at Gus Brown Buick GMC Ltd are trained to understand exactly what your Buick, GMC needs.  With the Genuine GM Parts and speciality equipment, you have the added peace of mind that comes with demanding the very best.

Gus Brown Buick GMC Ltd offers express service for everyday maintenance such as oil changes, battery replacement, and new wiper blades. We offer customer vehicle pick up and drop off services, shuttles to home or work, as well as updated comfortable waiting lounges and the opportunity to check out the latest vehicles. If you're looking for competitive prices, safety, convenience, and expertise in Whitby, near Brooklin, our dealership is here for you and your repairs.

previous arrow
next arrow



Tires affect just how well you grip the road. Our Tire Finder tool makes it quick and easy to find tires for any vehicle. Click the drop-down menus to select your vehicle information and navigate your search. Once you've selected your new tires, the Buick, GMC Certified Service expert technicians can handle all of your tire needs at your scheduled appointment.


You depend on your vehicle to help drive your achievements. Your engine depends on the oil that flows through it to help prolong its life. Changing it is important, routine maintenance that your Buick, GMC Certified Service experts perform with quality oil and expert knowledge of your vehicle. Learn More


The ability to move ahead effectively requires the ability to stop efficiently. The same is true on the road-exceptional performance requires excellent braking. When you need brake service, your Buick, GMC Certified Service expert technicians at Gus Brown Buick GMC Ltd can recommend quality new brakes. So you can utilize every stop and every turn to further your pursuit.


Your Buick, GMC is more than a vehicle-it's an innovatively designed, technologically advanced machine. Using high-quality auto parts that are specifically crafted and tested for your Buick, GMC will help keep it running as beautifully as the day you drove it home.

MyChevrolet®, myBuick, myGMC and myCadillac mobile apps


The MyChevrolet®, myBuick®, myGMC® and myCadillac® mobile apps connect you to your vehicle like never before! Check estimated tire pressure, oil life and fuel level, plus you have the ability to book service appointments on the go, and so much more. You can remotely control your vehicle right from your smartphone, turning the engine on or off (if equipped). Available on the App store® and Google PlayTM3 or text "Chevrolet", "Buick", "myGMC" or "Cadillac" to 56000. Some of these features require a paid plan

In-Vehicle App


Schedule a service appointment from the convenience of your vehicle driver's seat, As a registered owner, you can book an appointment from your compatible vehicle's information screen. Ask your service advisor for more details


Every month, your vehicle (if equipped) can run a thorough check of its engine, transmission, antilock brakes and more, and email you the results in an easy-to-read report. You can view this information-and much more-on the vehicle diagnostics section of your Owner Centre account. Log in to manage your vehicle's maintenance records. As your preferred dealer, we can also be notified when routine service is due and contact you to schedule an appointment (enrollment required)

Whitby Buick And GMC Service And Repair Centre

We have your best interests in mind, so we only hire the most highly trained mechanics to work in our Whitby, near Brooklin, Buick, GMC service centre. Our Certified Technicians know your vehicle inside and out and are specifically trained to service Chevrolet, Buick, and GMC vehicles using a wide variety of parts to suit any budget from ACDelco to original equipment. Request a quote or schedule a service appointment today at Gus Brown Buick GMC Ltd. to receive “Expert Service at Competitive Prices”