N77 W31144, Hartman Ct Suite F, Hartland, WI 53029----262-370-6122----Mon – Thu: 8:00 AM – 5:00 PM | Fri: 8:00 AM – 4:00 PM
Our Services
Full-Service Auto Repair in Hartland, WI & Lake Country
From routine maintenance to complex repairs, Cornell Auto Repair provides trusted auto repair services in Hartland, WI to keep your vehicle safe, reliable, and running at its best.
Complete Auto repair Services for Every Need
No matter what you drive, our ASE technicians are here to help. Click any service to learn more or to schedule service.
General Repair & Maintenance
Complete auto repair and routine maintenance to keep your vehicle running safely and reliably.
Brake Repair
Brake pad, rotor, and caliper service. Complete brake system inspections and repairs.
Engine Repair
Diagnostics, repairs, and performance service to keep your engine running at its best.
Transmission Service
Transmission fluid service, repairs, and replacements to keep your vehicle moving smoothly.
Electrical Diagnostics
Advanced diagnostics and repair for all electrical systems and components.
Suspension & Steering
Alignments, shocks, struts, and steering repairs for a smooth, comfortable ride.
Cooling System Service
Radiator service, coolant flushes, and overheating problem repairs.
Exhaust System Repair
Exhaust leaks, catalytic converter service, and full exhaust repairs.
Heating & Air Conditioning
A/C repairs, recharge service, and heating system diagnostics.
Preventative Maintenance
Scheduled maintenance to prevent problems and extend vehicle life.
Pre-Purchase Inspections
Detailed inspections so you know what you're buying before you buy.
Proudly serving Hartland, North Lake & the lake Country Area
Conveniently located in North Lake, we provide auto repair and maintenance to drivers throughout the surrounding area
Primary areas: Hartland, Oconomowoc, Delafield, Pewaukee
Also Serving: Nashotah, Chenequa, Merton, Summit, Dousman and surrounding lake Country communities.
Conveniently located
N77 W31144 Hartman Ct Ste F, Hartland, Wi 53029
262-232-6260
Mon – Thu: 8:00 AM – 5:00 PM
Fri: 8:00 AM – 4:00 PM
Cornell Auto Repair
Serving Hartland, Oconomowoc, Delafield, Pewaukee & surrounding Lake Country areas
keeping your vehicle safe, quiet,
and running smoothly.
Quick links
Services
Engine Repair
Transmission Service
General Repair and Maintenance
Suspension and Steering
View All Services
Contact Details
(262) 232-6260
Contact Details
Business Hours
Mon – Thu: 8:00 am – 5:00 pm
Friday: 8:00 am – 4:00 pm
Sat – Sun: Closed
Walk-ins Welcome
Copyright 2026. Cornell Auto Repair. All rights reserved.