Idaho Code § 48-910: Limitation on actions.

A civil action brought under this chapter must be commenced within three (3) years of the date of original delivery of the new motor vehicle to a consumer, except that if the consumer applies to an informal dispute settlement mechanism within three (3) years of the date of original delivery of the new motor vehicle to a consumer, and if the consumer is aggrieved by the decision of the informal dispute settlement mechanism, then any appeal of that decision brought under this chapter must be commenced within three (3) months after the date of the final decision by the mechanism.