Car Will Not Start Problems of Mazda CX-5

My 2020 Mazda Cx-5 was 2 days old and the battery was completely drained and had to be towed to the dealer. I picked it up and they did nothing to the battery. They told me nothing was wrong and they replaced the key fob battery. Two more days after that I parked it in my garage and pushed the button to turn it off. Apparently it did not turn off and come morning, I had significant carbon monoxide poisoning and was hospitalized for 4 nights. My car would not start again and the odd thing was that the battery was drained again and there was still gas in it. My local Mazda dealer refuses to help me and I am trying to contact Mazda's main number.

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Tl the contact owns a 2020 Mazda Cx-5. The contact stated that while the vehicle was parked in the driveway of her residence, the vehicle failed to start. The contact contacted an independent mechainc who arrived at the residence and jump started the vehicle. The vehicle was taken to maxon Mazda (2329 rte 22 w, union, NJ 07083) where it was diagnosed however, the mechanic was unable to duplicate the failure or retrieve a fault code. The technician indicated that the battery was defective. The failure recurred. The battery was replaced three times between July 2020 and oct 2020. The manufacturer was not made aware of the failure. The failure mileage was approximately 2,741.

When driving approximately 65mph or sometimes less the tire pressure, traction control, emergency light comes on. The car seems to lose power and shut down. It happens countless time twice with my two-year-old daughter on the highway. When I take it to the mechanic they run diagnostics test and can't pick up any codes. Because its not duplicating any issue they return the car to me after they reset all the computer. But the issue is still not resolved. I would lose power to the car and my brakes are sometimes not responsive. I would coast with my emergency light on until I can stop my car. Sometime my hazards light would frequently flash at a fast speed than stop. I took it to two Mazda dealership to see if they can have resolved the issue but they cannot duplicated what going on. I did some research on my own and found countless complaints about the same issue I'm having and no mechanic can figure out the issue this car is junk. This have started the first week on Dec. 2016 it has been in two shop over the past 4 month. The first shop I took it to had it for a whole month and the second shop had it for two week. At one point when I was told my car was fix I came to pick it up. The car would not start at all it was not even reading my keys. The car does not have 100k miles on it. I don't do a lot of driving. This is hazardous.

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I started the car and went inside of the house and forgot the keys and went shopping, when I came out the car wouldn't start because I didn't have the keys. Why would the car run with out the keys? is this a defect?.

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2016 Mazda Cx-5. Consumer writes in regards to ignition/ "room fuse" failure. The consumer stated while driving, the gps, radio, bluetooth and other interior functions failed. No warning lights otherwise appeared. After putting gas in the vehicle. The vehicle would not start. No warning lights appeared to explain the ignition failure. The consumer subsequently learned the cause of the failure was a blown "room fuse". He was informed a sensor in the ignition system was tied to the "room fuse" which was the reason the key fob was not being detected, despite the green light indications. The dealer stated too many devices were connected to the power outlet at the same time as the bluetooth and navigation were being used.

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Car fails to start x 2 but then starts. Briefly, accelerate car as I merge on the fwy. Car begins decelerating, lurching so I struggle to steer to the side of the fwy. Many warning lights flashing, no brakes, no steering ability. Turn of car. Try but unable to turn on car. Call towed. Mechanics say car starts right up and nothing wrong. Funky other little things like, I open rear hatch to put item in car (keys are in house). Attempt to close hatch but it won't latch. Obtain remote and try to use it to engage latch. No luck. Last month, can't start car. Call aaa, technician starts car but says to replace batteries in remote. Take to dealer. Batteries fine and no findings. 4/17/14 start car and proceed to back up. All warning lights are on. Unable to steer or depress brakes. Turn off car. One hour later, car starts and all is copacetic.