UGAR Stereo Instructions

I’m struggling with this headunit. I can’t even figure out
How to set my home address in the Navigation. Also, for every mile I drive, the speedometer shows 2 miles. Hoping there is a way to calibrate mileage counter.

So much for assistance from anyone on this site. After weeks of frustration, I found the answer.
Go to favorites, the heart
Touch and hold the address you want gone and a drop down will appear with your options.