Ford Focus Mk3 Keyless Push Start Stop Button Ignition Switch AM5T-11572-AA

Visual condition of the part

The product shows signs of use visible in the photos. Ford Focus Mk3 Keyless Push Start Stop Button Ignition Switch is an original component from the Switches, control elements and ignition locks group, designed for operating the keyless engine start system in the third-generation Ford Focus. This used OEM component ensures factory integration with the vehicle's electrical system and consistency with other cockpit elements, which facilitates servicing and maintains the original character of the interior.

Specifications and technical data

• SKU: AM5T-11572-AA
• Mark: Ford
• Condition: Used
• OEM Part Number: AM5T-11572-AA
• Substitutable numbers: AM5T-11572-AA, AM5T11572AA, 1690878
• Part type: Push Button
• Category: Switches & Controls

Function and application of the Start Stop button

The Start Stop button in the Ford Focus Mk3 is responsible for controlling the ignition switching procedure in vehicles equipped with a keyless system. This component works with electronic modules responsible for key authorization, ignition control, and power management, allowing the driver to start the engine with a single, precise press. The original button from this series is designed to:

• ensure a repeatable, reliable response to pressing,
• work with the factory Ford security system,
• maintain a consistent look of the center console and operational ergonomics.

Construction and integration with the control system

The element belongs to the Switches, control elements and ignition locks group, which means it is structurally adapted to work in low-voltage circuits controlling the vehicle's electronics. The button's design allows for installation in the factory console socket, while maintaining proper wiring harness routing and correct mechanical support. The original build ensures:

• proper fitment to the Ford Focus Mk3 dashboard panel,
• correct positioning and operating angle of the button relative to the driver,
• compatibility with factory electrical connectors.

Benefits of using an original used component

Choosing a used, original Start Stop button for a Ford allows you to maintain the factory operating parameters of the ignition system while reducing repair costs. This type of component is particularly beneficial in cases of:

• repairs after mechanical damage to the button or panel,
• problems with response to pressing due to wear and tear,
• restoring full functionality of the keyless system after interference with the installation. By maintaining the manufacturer's original specifications, the Ford Focus Mk3 Keyless Push Start Stop Button Ignition Switch minimizes the risk of improper interaction with the vehicle's electronics, which is especially important in modern security systems.

Selection and additional service information

Before installation, it is worth verifying the compatibility of the button with the equipment of the specific Ford Focus Mk3 version, especially regarding the keyless access system used and the configuration of control modules. Available catalog numbers and replacement numbers can be helpful in matching the element to the specific vehicle configuration. If you are planning a comprehensive repair or upgrade of the ignition control zone in your Ford and need other elements from the same group, such as function buttons, control modules, or ignition lock components, check the available parts in the Ford switches, control elements and ignition locks category. For drivers who want to better understand how to safely use the used parts market and what to look for when choosing components that affect driving safety, the following guide will be useful: Second-hand braking system: how to safely choose discs, calipers, and ABS?. In the broader context of optimizing service costs, it is also worth reading the analysis of the used parts market in the article Rising repair costs and the boom in used parts – how to save on car service?, which shows how to consciously choose used OEM elements.