1. The appeal is dismissed.

2. The costs of appeal shall be borne by the Defendant.

Purport of claim and appeal

Claim: the defendant.

1. The basic facts of the claim ① The plaintiff is an insurer who entered the automobile insurance contract with the non-party non-party 2 Korea Co., Ltd. and the vehicle A (hereinafter referred to as the "Plaintiff vehicle") and the defendant is the insurer who entered the automobile insurance contract with the B Truck (hereinafter referred to as the "Defendant vehicle"), ② The driver of the plaintiff vehicle is driving the vehicle at the speed of no more than 17:20 on March 29, 2017 at the point of no more than 1:6 minutes prior to the point of no more than 17:0 on the point of no more than 17:20 on the point of no more than 6: the plaintiff vehicle is driving the vehicle at the right speed of no more than 6:6: the plaintiff vehicle was driving the vehicle at the right speed of no more than 7:00 on the front side of the vehicle; or the plaintiff vehicle was driving the vehicle at the right speed of no more than 5:0 on the front of the vehicle.

2. (1) Any driver who intends to change a lane shall inform another driver of his intention to change the lane and bear the duty of care to change the lane at a reasonable speed, using the direction, etc. after sufficiently securing the safety distance with prior and following vehicles, etc. in order to avoid traffic accidents resulting therefrom.

(2) However, according to the above facts, the driver of the defendant vehicle had been driving ahead of the plaintiff vehicle in the two lanes.