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The 2013 Ford Flex has an inertia switch or fuel shutoff switch situated behind the steering wheel beneath the dashboard. It features a small round button that can be pressed to reset it. This switch is specifically designed to turn off the fuel pump in the event of a collision to prevent a potential fire or explosion. Warning signs of a malfunctioning switch include the engine abruptly stopping or stalling, the switch tripping intermittently, and difficulty starting the vehicle. While the inertia switch is meant to last the entire lifespan of the car, there are instances where it may fail, leading to drivability issues. If a replacement switch is needed, the cost can range from $20 to $50 depending on whether it is an aftermarket or OEM part.
The inertia/fuel shutoff switch on a 2013 Ford Flex is situated behind the steering wheel underneath the dashboard.