Hey man, I notice that, you are very old member of this community.
Really, car is also my favorite topic. I usually joke my friend that I will rent a custom web application development services when i get enough money for it.
You know google map?. An app is designed by an offshore software development company in USA.
Set up this app on your car is a good idea. I think so. You can use google map to go everywhere.
Using some web design trends 2017 is needed.For this trends, if you don't know or trust on any companies for that, you can think about Savvycom, a vietnam app development company

Some people also made mistakes for some term that has a bit of differences here:
software developer vs engineer or another term, web developer vs designer .
Besides these two terms, I would like to explain about software testing term here: qa and qc in software testing.