NHTSA Complaints · Active Recalls · California Lemon Law Data
The NHTSA tracks consumer complaints, manufacturer recalls, and safety investigations for every vehicle sold in the United States. These publicly available records are a critical resource for California lemon law cases because they establish patterns of recurring defects.
As of June 2026, the NHTSA has logged 94 complaints against the 2021 Mazda CX-30. Each complaint is filed by a vehicle owner or lessee through the NHTSA’s Vehicle Safety Hotline or online portal at SaferCar.gov. You can review all 2021 Mazda CX-30 complaints directly on the NHTSA complaint database.
The 2021 Mazda Cx 30 has generated 188 NHTSA complaints on file with the National Highway Traffic Safety Administration. If your 2021 Mazda Cx 30 has experienced a defect that the dealer has been unable to repair after multiple visits, you may qualify for a full repurchase or replacement under California lemon law. Mazda pays all attorney fees when we prevail. You pay nothing.
Engine and cooling problems are among the most serious defects under California’s Song-Beverly Act. Owners of the 2021 Mazda Cx 30 have reported issues including stalling, overheating, loss of power, rough idling, excessive oil consumption, and check engine lights that return after dealer repairs. With 68 NHTSA complaints on record, this defect pattern is well-documented. Owner reports include: “Low engine oil on the turbo model. It happened several times. 16k miles.” (NHTSA Complaint #11576461)
The 2021 Mazda Cx 30 has generated 16 NHTSA complaints for this defect category. If your vehicle has experienced recurring issues in this area that the dealer has been unable to repair after multiple attempts, you may have a qualifying lemon law claim under California’s Song-Beverly Consumer Warranty Act. Owner reports include: “I have noticed the windshield is distorted and from reports all over the Internet that seems to be an issue with 20-22 mazda cx-30’s and I don’t think Mazda is going to replace it. It causes me to get fatigued, and a little dizzy at times during long distance driving.” (NHTSA Complaint #11549655)
The 2021 Mazda Cx 30 has generated 10 NHTSA complaints for this defect category. If your vehicle has experienced recurring issues in this area that the dealer has been unable to repair after multiple attempts, you may have a qualifying lemon law claim under California’s Song-Beverly Consumer Warranty Act. Owner reports include: “The left and/or right side sun visor does not stay in the fully retracted position and may lower slightly due to its own weight. The problem is attributed to a broken connection point where the sun visor attaches to the vehicle. Impaired visibility, particularly in bright sunlight.” (NHTSA Complaint #11722934)
Electrical system failures are notoriously difficult to diagnose and repair, which often results in multiple unsuccessful repair attempts — a key element of a lemon law claim. Reported issues for the 2021 Mazda Cx 30 include infotainment malfunctions, battery drain, warning lights, power window failures, and intermittent starting problems. 8 NHTSA complaints have been filed for this category. Owner reports include: “For 4-5 weeks the car often would not start. Jump the battery and it would start. Run fine 1-2 days then require another jump. At end required jump nearly every time it was to be used. Presently at Mazda dealer. They confirm the problem. They cannot find the cause. Car has been there two weeks. Waiting for assistance from manufacturer. I researched this on the internet. Visited many Mazda forums an ‘do it yourself” forums. This seems to be a common problem. NO where have I read about a satisfactory solution. In fact, it sounds like there is none. Dealer’s proposal so far has been to replace rear wiring harness at $7000. It sounds to me that there is a manufacturing problem. Who ever heard of a wiring harness go bad? I believe this to be a poor electronic sensor/device, or perhaps poor wiring. Either case it would be the manufacturers fault. And I believe that the manufacturer should repair it at their expense. I grew up in a garage and never heard of anything like this. The car approximately 21000 miles. All of them are easy highway miles with no abuse or offroad/dirt road use. Yesterday my wife heard about a Subaru that was doing the same thing. Maybe someone in Japan is manufacturing faulty parts. If so that is the manufacturers problem, not mine. So far the car has not stalled going down the highway but one drives it with an uneasy feeling. Stopping without warning on the roadway would be very dangerous. Also, one could get stranded in poor conditions or environment, and that makes this a safety issue. I have attached file regarding battery etc. test I performed. These test have been confirmed by the dealer.” (NHTSA Complaint #11619403)
Brake defects affecting safety may qualify for California’s two-repair threshold under Cal. Civ. Code § 1793.22, which applies to defects likely to cause death or serious bodily injury. The 2021 Mazda Cx 30 has generated 6 NHTSA complaints related to braking, including ABS failures, grinding, reduced stopping power, and warning lights. Owner reports include: “The accident occurred on the afternoon of Tuesday, November 14, which I reported to Enterprise, City of Falls Church, on the morning of November 15. Additionally, I provided to Enterprise email links to the many reports about breaking problems about the CX30 2021, 2022, and 2023 MAZA models and the reasons for their recall for repair. Here are the details about what happened. As I was trying to put the car in reverse from a standing position, the car, instead, lurched forward at great speed headed toward the Sun Trust bank. I had to use super-human strength to the brake pedal on the car to force it into a standing position. The damage to the car is due to scrapping some bark off one of the trees that separates the Sun Trust Bank property from the CapitalOne bank property where my car was parked.” (NHTSA Complaint #11555773)
As of the date of this review, no active recalls have been issued specifically for the 2021 Mazda Cx 30. Recall status can change at any time. Check your VIN at NHTSA.gov/recalls for the most current information. The absence of a recall does not mean your vehicle is defect-free — many lemon law claims proceed without a recall on file.
California’s Song-Beverly Consumer Warranty Act (Cal. Civ. Code §§ 1790–1795.8) is one of the strongest lemon laws in the United States. It protects buyers and lessees of new and certified pre-owned vehicles that develop substantial defects the manufacturer cannot repair after a reasonable number of attempts.
Under Cal. Civ. Code § 1793.22, a lemon law presumption is triggered when any of the following apply to your 2021 Mazda Cx 30:
Once the presumption is triggered, the burden shifts to Mazda to prove the vehicle is not a lemon. Under Cal. Civ. Code § 1794(d), Mazda must pay your attorney’s fees if you prevail — meaning qualified representation costs you nothing out of pocket.
If your 2021 Mazda Cx 30 qualifies as a lemon under California law, Mazda may be legally required to:
Step 1: Document every repair visit. Keep all repair orders, work orders, and dealer invoices. Each visit counts as a repair attempt, even if the dealer says nothing is wrong.
Step 2: Keep returning for repairs. You must give Mazda a reasonable opportunity to fix the defect. Visit different authorized Mazda dealers if needed and ask for written documentation of each visit.
Step 3: Contact a California lemon law attorney. Once you believe the threshold has been met — 4 attempts for non-safety defects, 2 for safety defects, or 30 days out of service — contact an attorney for a free case evaluation. Under § 1794(d), Mazda pays your fees if you win.
Step 4: Send a demand letter. Your attorney will send Mazda a formal demand letter. Most California lemon law cases resolve through negotiation without going to trial.
Under Cal. Civ. Code § 1793.22, four or more repair attempts for the same non-safety defect, or two attempts for a safety-related defect, triggers the lemon law presumption. Additionally, 30 or more cumulative days out of service qualifies regardless of the number of repair attempts.
Yes. Under Cal. Civ. Code § 1794(d), Mazda is required to pay your reasonable attorney’s fees and court costs if you prevail in a lemon law claim. This means qualified lemon law representation is free to you if your case succeeds.
Yes. A recall is not required to file a lemon law claim. The Song-Beverly Act covers any substantial defect that impairs the use, value, or safety of the vehicle that the manufacturer cannot repair after a reasonable number of attempts. NHTSA complaints support the claim by establishing a pattern, but are not a prerequisite.
California lemon law claims are generally subject to a four-year statute of limitations from the date you discovered or should have discovered the defect. However, you must still be within the manufacturer’s original warranty period when the defect first appears. Contact an attorney promptly to preserve your rights.
If your 2021 Mazda Cx 30 has a recurring defect, California’s Lemon Law may entitle you to a full refund, replacement vehicle, or cash settlement — at no cost to you.
Our attorneys answer the questions we hear most from California vehicle owners — fully updated for 2026.
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