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Home >> Ford >> 2021 >> Explorer ST >> Repair and Diagnosis >> External Pages >> Different car >> Section 329 (Steering Wheel And Column Electrical Components) >> Description And Operation >> Steering Wheel and Column Electrical Components - System Operation and Component Description >> Push Button Ignition Switch >> Start
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Push Button Ignition Switch: Start

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

If the brake pedal is applied when the START/STOP button is pressed, the vehicle temporarily goes into the START mode so long as a valid programmed key is detected within the vehicle.

In addition to activating the run/start relay, the BCM communicates the ignition mode to the other modules by sending an ignition status message over the CAN.

After the ignition has completed the vehicle start sequence, the ignition mode returns to ON and the ignition mode indicator in the ignition switch illuminates steadily.

The engine can be started from any ignition mode.

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