Vehicle Questions and Answers
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If you see the ABS brake warning light illuminated on the dashboard of your Ford F-150, it is important to check your brake system as the light may be triggered by fluid leaks or worn-out pads. Assuming everything is in order with your brakes, you can proceed to reset the warning light, which is a straightforward process. To do this, start by turning the vehicle to the "on" position with the engine off. Next, disconnect the negative cable from the battery and leave it detached for ten minutes. This will ensure the system loses power entirely and resets when you start the car again.
Loosen the black cable connection on the battery terminal using a 10mm box wrench and take it off.
To clear the brake warning lights, insert the key in the ignition and turn it to the on position. You can try releasing the cable and keeping it disconnected for a couple of minutes.
To clarify, should you turn off the switch or leave it on when you reconnect the cable?
The 'on position' is commonly referred to as the accessory position in American vehicles. Typically, you would turn the key one click forward to reach this position, with the next position being 'start.' In a keyless car, you can reach the 'on' position by pressing the START button without needing to press the brake pedal.
What does he mean when he says to put your car in the on position but turn off the engine?