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:

    Daytime running lamps
    WARNING: Always remember to turn on your headlamps at dusk or during inclement weather. The Daytime Running Lamp (DRL) system does not activate the tail lamps and generally may not provide adequate lighting during these conditions. Failure to activate your hea ...

    Inspection and Verification
    WARNING: Never remove the pressure relief cap while the engine is operating or when the cooling system is hot. Failure to follow these instructions can result in damage to the cooling system or engine or personal injury. To avoid having scalding hot coolant ...

    Principles of Operation
    The vehicle has two module communications networks. The standard corporate protocol (SCP) which is an unshielded twisted pair cable (data bus plus, Circuit 914 [TN/OG] and data bus minus, Circuit 915 [PK/LB]), and the international standards organization ...