I was stopped with my foot on the brake, about to make a left turn. The engine shut off as the hybrids do. I was rear-ended by a Chevy Suburban going 30 mph. The vehicle's back crumpled accordingly, and that structure did well. However the driver's seat broke so where the back could not be set upright without it falling over after the crash. I wonder if my back would have been as hurt if it would not have broken.

- Junction City, KS, USA

Ever since Honda "upgraded" my battery system I have lost both power as well as miles per gallon. I must merge onto interstate 680 on my commute to work. There are many large trucks who travel on this interstate and it is scary when I am merging onto the freeway, especially since cal trans just added a meteoring light so I must begin my approach from a stopped position. I thought it was my imagination that I have lost power until I heard about the lawsuit against Honda motor corporation. I went into the local Honda dealer and asked the service manager if the loss of power is true (as well as the loss of mpgs and he told me yes it is true.) I also asked what Honda is going to do about it and he said "nothing". I find this unacceptable.

- Milpitas, CA, USA

I'm concerned with the safety of my family when driving this vehicle due to the poor performance as detailed below. The ima battery drains so frequently and so suddenly(gets worse in the summer) that we've been very close to be involved in a few accidents. When stopped and waiting at an intersection for the green light, the car is either idled or in "auto stop" mode. Once the light turns green and I let go off the break, the car fails to accelerate fast enough to the point that I don't make it across the intersection in time, even though I'm the first car closest to the intersection, thus causing the cars behind me to run the red light. I have also had very close calls when merging and entering the freeway at the speed of traffic since the car fails to accelerate. Another dangerous situation is when driving on the freeway at a steady speed of 65 mph on flat conditions and coming to an uphill, the car doesn't maintain the same speed. So I need to accelerate more. The RPM reaches 4000, the car is now barely making 45-50 mph and the traffic behind me is force to slow down or suddenly change lanes in order to avoid hitting me from behind.

- Pomona, CA, USA

The battery on my Honda Civic hybrid has been failing to charge which means my car has no power to move quickly up hills or accelerate when I need to especially as I am merging onto the freeway. There have been numerous dangerous occasions where I may have been the first car at a traffic light, the light will turn green but my car has no power to make it up the hill. There has also been incidents when I am merging onto the freeway but can't get my car to accelerate to an appropriate speed as to not be a danger to the cars already on the freeway. I pray to god that there is not an 18 wheeler approaching behind me in the right lane or the driver would not be able to slow down in time to allow me to merge onto the freeway. There has also been times where my car will not start up immediately in the morning. I have already replaced the starter battery from the Honda dealership that cost me over $200 after their mandatory adjustment on the ima battery. Honda will not replace my ima battery until the light comes on the dashboard. My car is not yet 4 years old but the battery is already a danger to my safety. Something needs to be done before somebody gets killed in their Honda hybrid for failing to accelerate at the appropriate times.

- Oceanside, CA, USA

Situation 1: on this day, I was climbing the hills (not steep) to go to an observatory called lick observatory in my hometown. The battery drained completely and the gasoline engine failed to start, stalling my car and then sliding backwards towards the cars behind me. The cars behind me upon witnessing me slide backwards, started to honk at me very loudly. I instantly applied the brakes and somehow managed to slide backwards towards the shoulder. Sometime later, after turning the keys several time, the gasoline engine started. And with much difficulty and at the expense of lot of gas I was able to continue to crawl towards the observatory. This was an extremely dangerous situation and could possibly be fatal because I could have lost control of my car and fallen off the hill. Updated 03/21/12 updated IVOQ 03/23/12

- San Jose, CA, USA

Honda released an "update" to improve battery performance of the hybrid car. This update degraded the acceleration performance. It is unpredictable to know whether the car will accelerate when necessary. Many times the car has not accelerated when necessary and almost caused accidents. I implore you investigate this "update". in my opinion, this update only hides the fact that Honda produced an inferior and unsafe product.

- Barrington, IL, USA

My 2008 Honda Civic hybrid was reprogrammed in 2010 due to problems with the hybrid battery system. It was a mandatory reprogram that has resulted in a significant decrease in the utilization of the integrated motor assist (ima) hybrid system. This decrease in use has had the direct effect of reducing power of the vehicle when starting from a stop, and poses a safety threat when maneuvering at intersections and in traffic. In some instances, the vehicle will accelerate very slowly regardless of the amount of pressure applied to the accelerator. This problem was not present before the hybrid system was reprogrammed by Honda, and they will not revert the system to its original state because it will result in costs associated with replacing defective batteries under warranty.

- Springfield, VT, USA

I tracked my Honda Civic hybrid gas mileage. From 12/09 to 1/10 my average gas mileage was 40.2mpg. Took my car into Honda dealership for recall work in spring of 2010. They told me that there was a software update on the engine/battery. I asked if there would be any affect on the car's performance. The dealership response was that without the update I would risk voiding the warranty on my car battery/engine. So I had to get the update. From that date I continued to track my gas mileage. From that point onward my gas mileage has averaged 30.9mpg. I called the dealership to ask if they could set the software back to the way it was previously. They said no. They insisted that it was my driving habits that had changed.... when nothing in my life changed so this could not be the case.

- Austin, TX, USA

Purchased vehicle new in March of 2008. In October of 2010 an ima battery update was required by manufacturer. Since the update I have taken the vehicle back to the dealer on a monthly basis for almost a year with the following problems, they of course can not get the vehicle to do everything that it does to me and the dealer always tells me it is operating within manufacturers standards. I have given up taking it in every month and now just take it in for its routine maintenance, I give them a printout of my concerns and the tech attaches it to the workorder. A) low fuel mileage, averages 25 to 28 mpg. Before ima update, was averaging 35 to 45 mpg. B) slow acceleration from stops, this is very dangerous because we never know if the vehicle is going to move or not. We must leave ourselves alot of space when trying to merge with traffic because of this. C) idles rough, off & on, while stopped or parked, this is using up gas because the ima battery does not come on as much as it used to. D) assist is not coming on as much as it used to, if at all. E) ima battery reading goes from 1-2 bars upto 8 or so in minutes and then back down to 1-2 bars within a minute or less. Usually reads about 1-2 bars most of time. Ima is charging itself on flat ground, up hills, down hills and when braking. I would trade the vehicle in for another, but am afraid that some other sucker would end up with something that is not operating correctly. I did purchase the extended warranty on this vehicle.

- Bremerton, WA, USA