Surveillance video shows the auto hit the pavement after a seven-storey plunge from a downtown parking garage and striking another vehicle as it lands in the alley.
Police say the woman mistook the brake for the accelerator, causing her to crash through the suspension cables.
The video, at just over a minute long, shows the driver of the Tahoe, William Burch, slowly turning around in a downtown alley.
A woman in the BMW suffered serious, but not life-threatening injuries.
This was the second incident of its kind this year at the Littlefield Parking Garage; last September, another auto drove through the same retention wires and though it didn't fall, was left dangling in the air from the ninth floor.
Burch and other witnesses then rushed to help the woman inside.More news: President Gets Opioid Crisis Briefing Today
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The dramatic scene was captured on video released Thursday, Aug. 10, 2017, by Austin police.
A similar incident occurred last September at the same parking structure.
A request for comment from parking garage owner GTT Parking LP was not returned because the owner was out of the country and unreachable by phone, the company's spokesman Jason Meeker said.
According to Fox 7, city code enforcement is working with the building's owners and engineers to bring the garage's cable system into compliance.
Here is the newspaper's account of the latest crash, along with its account of O'Connor's fall and his rescue from the dangling SUV by a passer-by.
Bowmer says she thought she was going to die. In the meantime, plastic barriers filled with water serve as buffers on the level.