Phone as a Key - Using the Backup Start Passcode

This view of the Owner’s Manual contains the very latest information, which may vary slightly from the printed Owner’s Manual originally provided with your vehicle. It may also describe content that is not on or operates differently on your vehicle. Please consider the Owner’s Manual originally provided with your vehicle as the primary source of information for your vehicle.

The information contained in this publication was correct at the time of release.In the interest of continuous development, we reserve the right to change specifications, design or equipment at any time without notice or obligation.No part of this publication may be reproduced, transmitted, stored in a retrieval system or translated into any language in any form by any means without our written permission.Errors and omissions excepted.

Using the Backup Start Passcode

Make sure you have phone as a key active on at least one phone to use the previously created backup start passcode. See Programming Your Phone.

Press the brake pedal and the push button ignition switch. If the system does not detect a valid phone as a key or remote control, a message appears on the touchscreen and the system prompts you for your backup start passcode.

Note: The touchscreen times out after 30 seconds with no interaction.

Note: If the backup start passcode screen does not appear, press the brake pedal and push button ignition switch again.

Use the touchscreen to enter your backup start passcode.

After entering your backup start passcode, press Enter within 30 seconds.

Once the system validates the backup start passcode, a message alerts you to start your vehicle.

Press the brake pedal and the push button ignition switch within 20 seconds to start the vehicle.

If your vehicle does not start, repeat steps 1-5.

System Lockout

The system locks after five combined incorrect attempts of the following:

Entering a backup start passcode.
Resetting a current passcode.
Entering a valet mode passcode.

Note: The system remains locked for five minutes. After five minutes the system allows codes to be entered again.

2021 Mustang Mach-E Owner's Manual