The passenger frontal air bag assembly is deployed by an inflator which contains propellant that makes the air bag deploy. This propellant may degrade over time, especially when exposed to humidity and temperature cycling. As a result, the inflator may rupture on deployment, which can send metal shrapnel through the air bag, striking vehicle occupants. This could result in serious injury or death.
The automatic transmission may unexpectedly and suddenly shift into first gear, regardless of vehicle speed. This could cause the vehicle to jerk and slow without warning and lock the rear tires causing them to slide without warning. This could result in a loss of vehicle control and injury.