One problem related to air bag not deploy has been reported for the 2001 Infiniti G20. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Infiniti G20 based on all problems reported for the 2001 G20.
Brakes failed, locked, car skid, hit the post with the speed of 50 miles an hour, the airbags did not deploy, I believe this is a faulty product.