
Why Certified Service?
Your vehicle deserves expert care from the people who know it better than anyone else. We employ factory-trained technicians who use state-of-the-art technology and equipment to help you keep your vehicle running like new. Trust your vehicle to the Certified Service experts. Simply click on the tab or call to schedule an appointment today.
Service Specials
OIL & FILTER Change
Receive an Oil & Filter Change, Tire Rotation, and Multi-Point Inspection for $85.95 for 6-quart, $95.95 for 8-quart plus tax and shop supplies.
BRAKE ROTOR REBATE
Receive up to $40 REBATE† on Genuine brake rotor replacement ($10.00 rebate per rotor).
BRAKE PAD REBATE
Receive up to $40 REBATE† on front and rear GM Genuine brake pad replacement.
Battery Rebate
$20.00 rebate on A/C Delco Gold professional battery.
FOUR WHEEL ALIGNMENT
Receive $10 off any four-wheel alignment.
Military Discount
Cadillac is honored to support those who serve our country by offering a 10% discount on your repair or service. Maximum $100.00.
MAJOR SERVICE DISCOUNT
10 % off any many maintenance service. Max discount $50.00
Spend & Save
$100.00 = $10.00 DISCOUNT
$200.00 = $20.00 DISCOUNT
$300.00 = $30.00 DISCOUNT
$400.00 = $40.00 DISCOUNT
$500.00 = $50.00 DISCOUNT
Summer Savings Road Trip Bundle
Includes oil & filter change, engine air filter change, wiper blade replacement, tire rotation, battery test & multi-point inspection.
Cabin Filter Rebate
Receive a $10.00 rebate on A/C Delco original Equipment Cabin filter.

Multi-Point Vehicle Inspection
With your Multi-Point Vehicle Inspection, you get a thorough assessment of your vehicle by the Certified Service experts. So protect yourself and your automotive investment with a comprehensive vehicle inspection at your Hennessy Cadillac Dealer today.
Professional maintenance you can rely on
When it’s time for vehicle maintenance or repair, visit the Cadillac Certified Service experts to handle all your vehicle needs. Nobody knows your vehicle better than these trained automotive service professionals, so from oil changes to engine replacements, let the Certified Service experts take care of everything.

Looking For New Tires?
Your vehicle's tires are the first and only contact with the road, so it is important to choose the right set when replacing them. Hennessy Cadillac has Certified Service experts that will handle all of your tire needs. From checking tire wear to tire pressure our team can help you find new tires for your vehicle.

Need An Oil Change?
Your vehicle may be trying to tell you something – Oil Life Monitoring Systems let you know when it’s time for an oil change. And our Certified Service experts can recommend what’s best for your vehicle. Schedule an appointment today.

Having Battery Trouble?
Your vehicle’s battery provides energy to start the engine, plus it supplies power to accessories when the engine is not running. The cold of winter and the heat of summer can affect your auto battery. See us for your vehicle’s battery needs.

Brakes Need Replacing?
Stopping power is crucial to a safe and successful driving experience. When you need brake service, visit Hennessy Cadillac and our GM Certified Service experts will recommend quality new brakes.