Both cars defective

I purchased two cars for Christmas for my sons. Both cars ended up being defective. The first car's receiver would not bind with the transmitter (i.e. the hand held controller could not "talk" to the car). The second car's steering was way turned off to the right and the steering adjustment knob was not able to correct it. So, even attempting to steer the car all the way to the left would not be enough to even get the car to go in a straight line. I was very surprised that both cars were defective, given that the reviews generally were pretty good for this model. Did I just get two bum cars or has their quality control gone off the rails?

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