http://editorial.autos.msn.com/blogs...4-cc436b8f1706
Interesting article. There have been at least 19 instances as of 2012 including Camaros and CTS-Vs.
"At least three Camaro coupes, including one tested by Edmunds last year and another by Canadian automotive site Sympatico in 2010, blew their side curtain airbags during standard performance tests. "
"In May, GM recalled 4,304 2013 Chevrolet Malibus to reprogram the airbag sensing and diagnostic module, which detects whether crash forces are sufficient to deploy the airbags. In the recall, which began in June, GM said that after hard braking, the module can "reset itself" and cause the curtain airbags to deploy "during an aggressive turning maneuver.""
In the article, they say similar things happen to Mercedes Benz (no airbags but seatbelts cinch and seat moves), Hummer, Hyundai Elantra, and Chevy Avalanche.