Certified Service
Our Services
With thousands of hours of training each year, our Certified Service technicians are equipped and prepared to address any concern you may have about your vehicle. Using clear, easy-to-understand terminology, your Service Consultant will walk you through the recommended service for your vehicle. That way you know exactly what’s going on with your vehicle, allowing you to make informed decisions.
Oil Change
Today’s smaller, technologically-advanced engines require proper lubrication to maintain maximum fuel efficiency, reduce wear, and to improve overall engine performance. More than ever it’s important to bring your vehicle to the people who know it best.
Tires
At Certified Service, you can trust that you’ll always get the right tires for your vehicle. We’re always surveying deals to make sure you get major brand name tires at the best price possible. If you find a better deal within 30 days of purchase, we’ll refund the difference. Guaranteed.*
Service. Simplified.
We value your time, so we make it easy to schedule any service your vehicle may need. Simply click the Schedule Service button.
Other Scheduling Tools
Your Vehicle’s Mobile App
MyBuick®or myGMC® Mobile App1 connects 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®2 and Google Play™3 or text “Buick” or “myGMC” to 56000. Some of these features require a paid plan.
In-Vehicle App4
Schedule a service from the convenience of your vehicle driver’s seat. As a registered owner, you can book an appointment from your compatible vehicle’s infotainment screen. Ask your Service Advisor for more details.
Owner Centre
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 report5. You can view this information—and much more—on the Vehicle Diagnostics section of your Owner Centre account. Log in to schedule your next service appointment and to manage your vehicle’s maintenance records. Your preferred dealer can also be notified when routine service is due and contact you to schedule an appointment (enrollment required).
* TIRE 30-DAY PRICE MATCH GUARANTEE: Your local dealer will match the competition’s prices. If you purchase one of the aftermarket tire brands listed below and later find a better price on a qualifying brand within 30 days of the purchase, we’ll refund the difference. Tire Brands : BFGOODRICH, BRIDGESTONE, CONTINENTAL, DUNLOP, FIRESTONE, GENERAL, GOODYEAR, HANKOOK, KELLY, MICHELIN, PIRELLI, UNIROYAL, KUMHO. The price match applies to the brands listed above. Tire brands not carried by your dealer will not be guaranteed for a price match. Competitive Prices : The competitive price you find must be in a valid ad, written estimate or Internet quote for identical, new tires. The tires must be an exact match in brand, tire line, size, load rating and speed rating to be eligible for the price match guarantee. All competitive quotes (including internet quotes) must come from a local competing tire retailer and installer (with a physical location within 100km of your participating GM retailer. The competitive price must be valid within 30 days of your purchase of any of the tire brands listed above. Service and Installation : The price match guarantee is only valid on the tire price and does not include installation/labour. Offer available to retail customers only at participating Canadian Chevrolet, Buick, GMC and Cadillac dealers. Offer valid from January 1, 2020 to December 31, 2020. GM Canada reserves the right to cancel, modify or amend the offer without notice. Conditions and limitations apply. May not be combined with other offers and programs.
1 Available on select Apple and Android devices. Service availability, features and functionality are subject to limitations and vary by model and/or vehicle configuration, device and the plan in which you are enrolled. Device data connection required. Visit onstar.ca for more details.
2 Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a trademark of Apple Inc., registered in the U.S. and other countries.
3 Google, Google Assistant, Android, Google Play, Android Auto and other related marks and logos are trademarks of Google LLC. Use of these trademarks is subject to Google Permissions.
4 App functionality and feature availability vary with vehicle equipment and trim level. Data connection may be required and data charges may apply. Requires an active service plan and working electrical system. Terms and limitations apply. Visit onstar.ca for more details.
5 Capabilities vary by model and/or vehicle configuration and service plan, may require the purchase of factory installed equipment and/or may not be available on select models. Visit onstar.ca for vehicle availability. Message and data rates may apply. Requires active service, email address on file and enrollment in Vehicle Diagnostics. Not all issues will deliver alerts. On-Demand Diagnostics requires a paid service plan.
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Mills Motors Buick GMC
(905) 436 1500
Call NowService
(905) 432 7333
Call NowParts
(905) 723 8105
Call NowCollision Centre
(905) 723 2953
Call Now240 Bond Street East • Oshawa, ON L1G 1B5
Get DirectionsToday's Hours:
Open Today! Sales: 9am-6pm
Open Today! Service: 8am-5pm