The passenger air bag sensor in the seat often does not detect someone in the seat and will disconnect the airbag system from deploying in the event of a crash. Spoke with a Nissan tech who said the sensor in operating normal; however, I know many people to include the tech's at the dealership who know this is an issue!

- Daytona Beach, FL, USA

I have taken my Altima to the dealer numerous times for a problem with the air bag passenger sensor for the passenger side of the vehicle. The light indicating that the air bag is functioning is coming on and off randomly when someone is seated there. Sometimes it will indicate that the air bags are shut off for the entire time that someone is seated, and sometimes it will come on and off intermittently. This is irregardless of the weight of the passenger. Also, it will malfunction when no one is in the passenger seat. I am unsure whether the air bag will function in the event of an accident in this state. Nissan has replaced the passenger seat cushion 3 times with no effect, and tells us that is the only part that has anything to do with the passenger air bag. Laughably, they also tell me that the passengers must be squirming around. Based on the number of similar complaints that are filed here, I feel that it is prudent for NHTSA to take action.

- Columbiana, OH, USA

I drive a 2007 Altima and the passenger airbag light goes on and off and at times stays on for a while, up to 15 miles while driving. We've took it twice to get fix at the dealer ship and the first time they replace the seat liner and that worked for two weeks and the back to the same thing. We took back and they said there was nothing wrong. Again the light comes on once in a while and the director at the dealer ship ask us to bring it back, again they could not find anything wrong. We also purchase the extended warranty and as of now it's still malfunctioning every so often. I'm just worry it will not perform properly when needed. Now I just don't know what else to do. I don't feel safe to carry my family in the passenger seat anymore.

- Pearland, TX, USA

The contact owns a 2007 Nissan Altima. The dealer informed the contact that the passenger side air bag light should display off when no one is sitting in the seat, or when a child under 90 pounds sits in the seat. However, the air bag light continues to display that the air bag was deactivated even when an adult is sitting in the seat. The vehicle has not been diagnosed by the dealer. The current mileage was 14,000 and the failure mileage was unknown.

- Webster, NY, USA

The contact owns a 2007 Nissan Altima. The air bag light blinked intermittently and remained illuminated. The contact weighs 112 lbs. When riding in the passenger seat of a Tahoe, she stated that the air bag light does not illuminate. The dealer stated that this was normal because her air bag has a smart system. The manufacturer stated that the dealer was incorrect and advised the contact to install the air bag on/off switch in the vehicle. The powertrain was unknown. The current mileage was 2,806 and failure mileage was 1,341. Updated 01/11/08. The dealer stated passenger front speaker popping off, vehicle sounds really loud, and sometimes key light will stay on. Updated 12/12/07

- Lake Charles, LA, USA

After being involved in a 3-car accident on the NJ turnpike at 3:15P.M. the air bags did not deploy, everyone was wearing seat belts, yet no one was hurt, not even a whip lash. The left side sustained headlight and hood damage, drivers door would not open and it appeared that the radiator was busted since liquid was pouring out. We were towed to the nearest collision place and geico towed it from there to its own shop. Since the car was so new, geico had some difficulty in obtaining part numbers and cost. The next call from geico was to tell us that the car was totaled. The battery exploded. Battery acid eating most of the components under the hood. Question which was defective.. the air bags the electrical system or the battery why would a battery explode when the car did not have enough impact to deploy the air bags?

- Flushing, NY, USA