Manufacturers design airbags to deploy at eight to 14 miles per hour when hitting a fixed barrier in a frontal or near-frontal collision. This equals to hitting a parked car at 16 to 28 miles an hour.
Collisions with fixed objects at 8 to 14 miles per hour or parked cars at 16 to 28 miles per hour qualify as moderate to severe crashes. After a crash, car owners must immediately replace the air bags. To prevent being injured by the air bags in a collision, the driver and the right front passenger must leave at least 10 inches between them and the air bags.