The invention relates to a method (300) for securing an electric rental vehicle when returning/picking up the vehicle at a so-called rental site, said vehicle including at least one sensor for determining at least one state of an element of said vehicle, said method including the following steps: measuring (310, 320) at least one value of at least one parameter by said sensor means, comparing (310, 320) the value of said parameter with at least one predetermined value, and indicating (312, 322, 324) an anomaly if the value is not equal to the predetermined value. The invention also relates to a method for securing an electric rental vehicle when returning/picking up said vehicle, and to a secure vehicle.