Ford Mustang (2005-2014) Owners Manual: Audible warnings and indicators

Key In Ignition Warning Chime

Sounds when the key is left in the ignition in the off or accessory position and the driver’s door is opened.

Keyless Warning Alert (If Equipped)

Sounds when the keyless vehicle is in RUN and the driver’s door is opened.

Headlamps On Warning Chime

Sounds when the headlamps or parking lamps are on, the ignition is off (the key is not in the ignition) and the driver’s door is opened.

Parking Brake On Warning Chime

Sounds when you have left the parking brake on and drive your vehicle.

If the warning chime remains on after you have released the parking brake, have the system checked by your authorized dealer immediately.

    Warning lamps and indicators
    These indicators can alert you to a vehicle condition that may become serious enough to cause expensive repairs. Many lights will illuminate when you start your vehicle to make sure they work. If any ...

    Other materials:

    Instrument Cluster (Removal and Installation)
    Removal and Installation All vehicles 1. CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result. Disconnect the battery ground cable. For additional information, refer to Section. 2. Re ...

    Ignition switch
    A. Off: The ignition is off. Note: When you switch the ignition off and leave your vehicle, do not leave your key in the ignition. This could cause your vehicle battery to lose charge. B. Accessory: Allows the electrical accessories such as the radio to ope ...

    Diagnosis By Symptom
    Special Tool(s) Transmission Fluid Pressure Gauge 307-004 (T57L-77820-A) Air Test Plate, Transmission 307-246 (T92P-7006-A) Breakout Box, EEC-V Control System 418-049 (T94L-50-EEC-V) or equivalent MLP- ...