Android Auto operates from your smartphone to your car's infotainment system, so you'll have to update it from the Google Play Store rather than your car itself. Open the Google Play Store.

There are eight packages to be installed. At first, the update will fix the system (package number 2) and System Data. Then, it will clean the System Apps and install the newer ones.

However, on an older car like the Lexus GX 450 the system is a bit different. It uses an optical unit like a computer which reads DVDs. So in order to update its software, you will first need to ...

According to navigation-system maker TomTom, 18 percent of roads in maps need updating every year. Unless you have updated your maps recently, you could be relying on really old maps.