Ford Mustang (2005-2014) Owners Manual: Safety belt warning light and indicator chime

This lamp illuminates and an audible warning will sound if the driver’s safety belt has not been fastened when the vehicle’s ignition is turned on.

Conditions of Operation

    Fastening the safety belts
    The front outboard and rear safety restraints in your vehicle are combination lap and shoulder belts. The presenter arm (available on the coupe only) is intended to improve access to the safety belt ...

    Safety belt-minder
    This feature supplements the safety belt warning function by providing additional reminders by intermittently sounding a chime and illuminating the safety belt warning light when the driver’s or fro ...

    Other materials:

    Inspection and Repair After a Supplemental Restraint System (SRS) Deployment
    WARNING: If the supplemental restraint system (SRS) is being serviced, the system must be deactivated and restraint system diagnostic tools must be installed. Refer to Air Bag Supplemental Restraint System (SRS) in this section. The air bag restraint system ...

    Removal
    CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. A new part with the same part number must be installed if installation becomes necessary. ...

    Diagnostic Instructions - Air Bag Supplemental Restraint System (SRS)
    Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool The symptom chart can be used to help locate the air bag supplemental restraint system (SRS) concerns if n ...