Manitowoc's Trusted Auto Shop

Honest Work.
No Surprises.

From routine maintenance to complex repairs, Certified Auto Inc. delivers expert service with transparent pricing and a commitment to getting you back on the road safely.

Call Now Our Services
Certified Technicians
On-Time, Every Time
Transparent Pricing
Certified Auto Inc. mechanic working on a vehicle in the Manitowoc shop
What We Do

Complete Auto Care
Under One Roof

Whether it's a check engine light, brake pads, or a full service interval — we handle it all with precision and care.

General Maintenance

Oil changes, fluid checks, filter replacements, and scheduled upkeep to keep your vehicle running smoothly mile after mile.

Brake Service

Pad replacements, rotor resurfacing, fluid flushes, and complete brake inspections for safe, confident stopping power.

Engine Diagnostics

Advanced scan tool diagnostics to pinpoint check engine lights, misfires, and electronic issues quickly and accurately.

Transmission Care

Fluid services, filter changes, and diagnostic evaluations to protect one of your vehicle's most critical systems.

Suspension & Steering

Shocks, struts, alignments, and steering component repair to restore ride quality and handling precision.

A/C & Heating

Climate control diagnostics, refrigerant recharge, and heater core repairs to keep you comfortable year-round.

Certified Auto Inc. service bay in Manitowoc Wisconsin
Auto repair tools and equipment at Certified Auto Inc
Locally Serving Manitowoc
About Us

Built on Trust,
Driven by Expertise

Certified Auto Inc. is a full-service auto repair facility rooted in the Manitowoc community. We know that your vehicle is essential to your daily life — whether you're commuting to work, running errands, or heading out for a weekend drive. That's why we treat every car like it's our own.

Our team brings years of hands-on experience across domestic and imported vehicles. We invest in modern diagnostic equipment and ongoing training so we can accurately identify issues and recommend only the repairs you actually need. No upselling. No unnecessary work. Just honest, reliable service.

100% Transparent Estimates
ASE Certified Techs
All Makes & Models
Why Choose Us

The Certified Auto Difference

We've built our reputation on the simple principle: do the right thing by the customer, every visit.

01

Upfront Pricing

You'll always know the cost before we start any work. We provide detailed estimates and never proceed without your approval.

02

Quality Parts

We use OEM or equivalent-quality parts for every repair, ensuring durability and performance that matches or exceeds original specifications.

03

Warranty Backed

Our repairs come with a warranty because we stand behind the quality of our work. If something isn't right, we'll make it right.

04

Local & Reliable

We're your neighbors. Located right here in Manitowoc, we treat every customer with the same care we'd expect from our own mechanic.

Testimonials

What Our Customers Say

Don't take our word for it — hear from the people who trust us with their vehicles.

"Brought my truck in for a braking issue and was impressed by how thorough the inspection was. They explained exactly what needed attention and what could wait. Honest, fair, and professional."

— Verified Customer, Manitowoc

"My check engine light came on and I was worried about the cost. Certified Auto diagnosed it quickly, gave me a clear explanation, and had me back on the road the same day. Great experience."

— Verified Customer, Manitowoc

"I've been bringing my vehicles here for routine maintenance and major repairs alike. The team is knowledgeable, the shop is clean, and I always feel like I'm getting straight answers."

— Verified Customer, Manitowoc

Ready to Get Your Vehicle
the Care It Deserves?

Stop by or give us a call — we're here to help with any repair or maintenance need.

(920) 683-0222 Get Directions
Contact Us

Visit Us Today

We're conveniently located on Calumet Avenue in the heart of Manitowoc. Walk-ins are welcome, but calling ahead helps us serve you faster.

Hours Mon–Fri: 8:00 AM – 5:00 PM
Sat–Sun: Closed

Send Us a Message

Have a question or need to schedule a service? Fill out the form below and we'll get back to you promptly.

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