12 Pa.C.S. § 6251: Repossession authorized.

(a) When repossession may occur.--An installment seller or a holder, who has lawfully acquired a motor vehicle installment sale contract, may retake possession of the motor vehicle if the buyer:

(1) is in default in the payment of an amount due under the contract; or

(2) has committed another breach of contract, which is by the contract specifically made a ground for retaking the motor vehicle.

(b) Legal process.--

(1) Unless the motor vehicle can be retaken without breach of the peace, it shall be retaken by legal process.

(2) This subchapter shall not be construed to authorize a violation of the criminal laws of this Commonwealth.

(c) Limitation.--Except as provided in this chapter, in a transaction involving a commercial purpose, the provisions of this chapter regarding repossession of a motor vehicle are limited by the provisions of 13 Pa.C.S. Div. 9 (relating to secured transactions).