Patent ID: 8924122

Claim:
A control device for a vehicle, the method comprising: acquiring inter-vehicle communication information of a preceding vehicle that runs ahead of the vehicle; executing follow-up running control that causes the vehicle to follow the preceding vehicle based on the inter-vehicle communication information; and during the follow-up running control, determining a value of a parameter used in the follow-up running control based on either (1) a duration of a communication breakdown determination time, which is a variable period of time in which it is determined whether communication with the preceding vehicle is lost, and which is used to determine whether there has been a breakdown of an inter-vehicle communication between the vehicle and the preceding vehicle, or (2) a target value of a rate of occurrence of the breakdown of the inter-vehicle communication, which is a rate at which it is determined that communication with the preceding vehicle is lost within a predetermined period of time, the target value being a variable value.