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10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
30 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2021 Chevrolet Trailblazer body / paint problems

body / paint problem

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2021 Chevrolet Trailblazer Owner Comments

problem #5

Dec 292024

Trailblazer

  • miles

A D V E R T I S E M E N T S

Found standing water in spare tire well. Back seat constantly wet, growing mold. The whole back area is moldy, mold under driver seat. My back passenger door seal has mold and water. Seat belts in back, MOLD. I had to wear a mask just to drive to the store. The mold turning black the day I took it to a shop for a water test. It's been two days and I still haven't heard anything about the water test.

- Beaverton , OR, USA

problem #4

Jul 012024

Trailblazer

  • miles
I first noticed an issue about a year ago when an electrical blaring noise was coming from my speakers followed by popping and crackling noises. I have taken my car into the dealership several times without resolution. Since then, I have noticed excessive humidity in the vehicle and recently found the trunk was flooded. I took the vehicle in to the dealership again, and they say the interior fabric is compromised now and the electrical sounds I was experiencing are coming from electrical damage inside the body. I have now read another review online from someone who had the exact same experience with this make and model. I believe this is a safety hazard to drivers who are unknowingly driving around for months in a vehicle that could be flooding and could cause severe damages like in my case. I have documents to support these claims, but I do not have electronic copies. If someone reaches out to me I can provide hard copies.

- White Lake, MI, USA

problem #3

Jul 222021

Trailblazer

  • miles
I have had multiple issues with the car since I've purchased it. The brakes continuously make noise, and the automatic Emergency Braking DOES not work. The tire pressure sensors don't work, they have the wrong tire pressure for each tire, and the tires constantly over inflate. Also, my front bumper is coming off. I've taken it to the dealership for all of these things, the dealership said the brakes seem fine, the front bumper clips seem to have warn down for some reason, and that they reset my tire pressure. There was no permanent solution. They put a band aid on my problem and I still have all of these issues.

- Perris, CA, USA

problem #2

Oct 032021

Trailblazer

  • miles
I was driving on the freeway and my panoramic moonroof literally exploded from the inside out. It sounded like a gunshot almost. Then the glass shattered. I am glad that the screen was closed otherwise all the glass would have gotten in my car.

- Southfield, MI, USA

problem #1

Aug 012020

Trailblazer

  • 150 miles
Purchased on 7/24/20. On 8/1, found a defect spot on grill. Dealership ordered new grill. On 8/9, noticed paint bubbling/peeling on hood. 8/15 - 8/20, dealership had grill replaced and hood painted. 8/21, noticed hood not painted completely. 8/24 - 8/28, dealership had vehicle to repaint hood. 9/17 found fender clips on front passenger side missing.10/2 back to have clips installed. Dealer didn't order enough clips so waiting on more clips to arrive. 10/16 back to have remaining clips installed. 10/27 noticed paint peeling under passenger side headlight. I have an open claim with GM regarding all of this.

- Liberty, KY, USA

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