Ford Mustang Owners Manual: Replacing a lost key or remote control

You can purchase replacement or additional keys or remote controls from an authorized dealer. A dealer can program the transmitters to your vehicle or you may be able to program them yourself. See the Security chapter for information on programming your transmitters.

    Remote control
    Integrated Keyhead Transmitters The key blade is used to start the vehicle and unlock or lock the drivers door from outside the vehicle. The transmitter portion functions as the remote control. ...

    MyKey
    ...

    Other materials:

    Hydraulic Brake Actuation (Description and Operation)
    Hydraulic Brake Actuation (Description and Operation)   CAUTION: Blistering or swelling of rubber brake components may indicate contamination of the brake fluid by a petroleum based substance. New rubber components must be installed in the hydraulic ...

    Door
    Hinge Adjustment NOTE: The door should be adjusted for even and parallel fit with the body opening and surrounding panels as well as making sure that the anti-chuck pin is not binding on convertible models. 1. Remove the A-pillar lower trim panel. ...

    Battery (Diagnosis and Testing)
    Battery and Cables Vehicles are equipped with a 12 volt maintenance-free battery that contains a built-in hydrometer. The hydrometer eye indication is as follows: A green dot means the battery is OK. A yellow dot, red dot, or when the green dot ...