We know that the type of scrap pieces is very much, the buyer in the purchase of accessories, businesses must ask the specific parts needed to understand the specific models, so as to help the owner to pick with the car to match the accessories.

In general, businesses have access to the query software, by looking for the buyer's car frame number positioning accessories type, and this method is only the first step in screening accessories model.

Now a lot of car dealers in the introduction of the car, even if the same car is also different from several versions of the car, different configuration of the car between its accessories are also different.

As the reverse mirror, different configuration of the same vehicle under the mirror function is not necessarily the same, which led to the same variety of inverted mirror, you want to find the query in the software owners want to buy the reverse mirror is impossible.

At this point, the seller can only through the reverse mirror to identify the number of cable lines, owners have heard that the 7-line reversing mirror, 5-line reversing mirror, that is the reverse mirror cable has seven or five mean.