Renner was surrounded by his family and supporters at the "Rennervations" premiere in Westwood, where he posed for photos and did interviews, at times making use of a cane and a knee scooter.
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At one point he flashed photographers a thumbs up sign while moving down the carpet.
Renner was crushed by his 7-ton snowplow on New Year's Day while trying to help free a relative's car at his Nevada home. The actor has said he broke numerous bones and suffered a collapsed lung and pierced liver in the accident.
"Rennervations," which premieres on Wednesday, follows Renner as he transforms large vehicles into community spaces for young people in India, Mexico, Chicago and Nevada.
The purposes range from serving as a mobile music venue to a water filtration truck for a community in India.
Renner said his aim was to give young people access to things they might not already have and present opportunities they might not know existed.
Renner wrote the theme song for the show, something he did while working on another show.
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"I use music and piano to write songs and use it like therapy for me," he said.
Construction and music have been creative outlets for Renner, who is best known for playing the superhero Hawkeye in the Marvel "Avengers" films and his own spin-off TV series.
Marvel co-star Anthony Mackie appears in the show, and Renner said the secret to their friendship is they "laugh a lot."
Renner, a two-time Oscar nominee, told ABC's Diane Sawyer in an interview that aired that while he thought he might die from his injuries, he refused to be "haunted" by the accident.
Watch "Jeremy Renner: The Diane Sawyer Interview -- A Story of Terror, Survival and Triumph" now streaming on Hulu.
The Associated Press contributed to this report.
Disney is the parent company this ABC station.