What are the disadvantages of car navigation?

1. The price itself is expensive. The biggest disadvantage is that it is expensive, and the ordinary ones are basically 2000 to 3000. More expensive cars, 5 thousand, 1 10 thousand, 20 thousand, 30 thousand will come This is the original factory, installed in the car. I think this price has a higher profit margin. For us, whether the actual purchase will cost so much money is also a big problem. 2. Map upgrading is very troublesome. Then the map upgrade will be very troublesome. If the navigation design is reasonable, what SD card does it have? You can take it out, take it to someone else's shop and connect it to the computer to upgrade. Some designs are unscientific. It needs to be deleted, or it must have a special interface cable, and it must be upgraded in the 4S store.

You need a sum of money when upgrading, and the first year of upgrading is often free; Sorry, I'll give you a few hundred in the second year, which means I'm very unhappy.

Million car purchase subsidy