Race Into Spring Special
$39.95 for oil change and 30 point vehicle inspection. Not valid with other offer or special. Coupon must be presented in advance.
A/C System Service - $89.95
Save $125! Normally $225, Includes Evacuate, Leak Test and charge with 134-A Freon. Complete inspection of accessible A/C system components, belts and hoses. If your Freon is contaminated, there is an additional disposal fee. Not valid with any other offer or special.
Keep Your Car 100 For Under 100!
Oil Change, A/C Service refill with 1 lb of R134 Freon, Tire Rotation, Check your fuel lines and 30 PT Safety Inspection for $99.
FREE Brake Inspection
*Free brake inspection includes most vehicles and light trucks. Does not include electronic ABS diagnosis or inspections than require in-depth analysis.
10% Off Tune Up Special
*Different car makes and models require additional parts than a standard tune up includes.
$45 Summer Special Coupon AC Performance Check
Includes: -System Pressure Check -Clean AC Cndesor -Add AC Enhancer Compressor Oil -If needed - 134A Freon ($18.95 per pound)
$10/$20/$30/$100 OFF Any Service or Repair!
$10 OFF a repair or service of at least $100, $20 OFF a repair or service of at least $200, $30 OFF a repair or service of at least $300 or more, $100 OFF on a repair or service of at least $1000. Cannot be combined with another offer. Please present coupon in advance or display on mobile device.
$35 Off Transmission Flush
Transmission fluid does wear out so we recommend changing every 30,000 miles We offer this with all transmission work: -24months/24,000 warranty! -Free Service Diagnosis -We Do Transmission Rebuilds -Insurance Claim Accepted Can not be combined with other specials or coupons. Special restrictions ... [read more] may apply. ... [hide]
Receive a “Spooky” 13% discount during the month of October on any preventative maintenance. Not valid with other offer or special. Special must be presented in advance. Some limitations may apply.

What Makes Cornerstone Automotive
The #1 Choice

Lifetime Warranty on Repairs

FREE Towing

FREE Loaner Car

FREE Estimates and Consultations

FREE Warranty for Servicing your Vehicle

FREE Shuttle Rides

FREE Safety Inspections

FREE Preliminary Inspections

We Are Experts
In Diagnosing Your Problem

Welcome to
Cornerstone Automotive

Cornerstone Automotive in Oceanside, CA, is your one-stop shop for all of your vehicle’s automotive needs. We are a full service auto repair shop that is dedicated to providing the highest quality of service and trustworthy repairs. We staff ASE certified technicians that have over 30 years of experience in the automotive industry. Our Oceanside auto repair shop treats each customer like family and will handle your vehicle with care as if it were our own. 


Our auto repair shop can handle any auto repair or service that your vehicle may need. Whether your vehicle needs a major repair or is due for a factory recommended service, our experts are here to help. Our services and repairs are backed by a NAPA AutoCare Peace of Mind 24 months/24,000 mile Nationwide Warranty. We also offer free towing, free loaner cars and shuttle rides, free estimates and consultations, free safety inspections, and free preliminary inspections for our customers. Our goal is to help restore your vehicle to top working condition and keep you and your family safe on the road. 


Our services include:

  • A/C and Heating Repair
  • Belts & Hoses
  • Brake Repair
  • Computer Diagnostics
  • Engine Repair
  • Factory Recommended Services
  • Fluid Exchanges
  • Oil Change
  • Tune-ups
  • …& more!

At Cornerstone Automotive in Oceanside, CA, we work on all makes and models of vehicles. Regardless of what your vehicle needs, give our experts a call or stop by our shop for honest service. If you’re experiencing an issue with your vehicle or the check engine light has turned on, our Oceanside auto repair shop has the latest tools and computer diagnostic technology to accurately diagnose and repair your vehicle correctly the first time around.


When your vehicle needs a service or repair, look no further than the experts here at Cornerstone Automotive for high quality service at competitive prices. We look forward to meeting you!

Our Clients

Kate W.
“These guys are great! They know what they are doing and will not try to get you to do unnecessary work. Very honest, hardworking and very friendly. I had my sister go here for a second opinion on some work she needed done. Good thing she did because they saved her over $500.00. This will be my go to shop for all my automotive needs. Would highly recommend them to anyone.”

Apply today at Easy Care Credit to help with
your auto repair.

  • Low Minimum Monthly Payments
  • Simple Credit Application Process
  • Instant Credit Available*
  • New Purchasing Power
  • Exclusive Cardholder Financing Promotions*
  • Doesn’t Tie Up Other Credit Lines
  • Receive your credit card in 7-10 days
  • Statement received within 30 days
  • Online account management

Schedule An Appointment

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