Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1999MUSTANG GT, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 2511 (ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) (EXCEPT HYBRID))GENERAL PROCEDURESMYKEY® PROGRAMMINGCONFIGURING MYKEY® OPTIONAL RESTRICTED FEATURES
1999 Ford Mustang GT, 2D Convertible, Standard
Configuring MyKey® Optional Restricted Features
1999 Ford Mustang GT, 2D Convertible, StandardSECTION Configuring MyKey® Optional Restricted Features
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- To configure the MyKey® optional restricted features, carry out the following:
- Using an admin key that has not been programmed as a MyKey®, turn the ignition ON.
- Press and hold the SETUP button until RESET FOR MYKEY SETUP is displayed.
- Press and release the RESET button to display the MyKey® setup menus. The first programmable feature is: MYKEY MAX MPH < 80 MPH > OFF.
- If you do not want to change the status of a feature that appears, press SETUP to accept the current setting and the message center displays the next feature.
- If you want to change the status of the feature that is displayed, press RESET to turn a feature on/off (or toggle between choices). After the feature selection has been made, press and release SETUP to accept and the message center displays the next feature.
- Repeat the process for the next features of:
- MYKEY MPH TONES 45 55 65 < OFF > (choose the desired speed for the chime to sound)
- MYKEY VOLUME LIMIT < ON > OFF (choose the audio volume to be limited to 45%)
- MYKEY ADVTRAC CTRL ON < OFF > (choose for the AdvanceTrac® to be automatically locked on or able to be turned on or off by the MyKey® driver)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.