The two temp gauges show different temp.

[cobra]

Is it a common problem, I just picked up the z today, a 2014 sport package with nav. and noticed on my way home that both outside temp gauges are 7 degree apart, the nav. gauge being not accurate, I was too far to turn around so I called my sales guy but while I'm waiting, is there a fix or it's a glitch needing dealer intervention, brand new car and a glitch already, hope didn't buy a lemon. it sure doesn't drive like one, what a car !