What's happening that makes you think it needs resetting? Common problems and their solutions include:
* 4WD won't engage: This could be due to a variety of issues, including low transfer case fluid, a faulty transfer case motor, a bad actuator, or even a problem with the 4WD control module. You'll need a professional diagnosis in this case.
* 4WD light is on: This indicates a problem within the 4WD system. A diagnostic code needs to be read using an OBD-II scanner to determine the exact cause. This code will pinpoint the issue.
* 4WD is engaging unexpectedly: This again points to a problem with the system's electrical components or the transfer case itself. A mechanic will need to diagnose and repair the fault.
* You're switching between 4H and 4L incorrectly: Make sure you're following the correct procedure outlined in your owner's manual. Engaging 4WD improperly can damage components. Generally, 4L should only be used in low-speed, off-road situations, and you need to be at a near standstill.
In short: There's no reset. If your 4WD system isn't working correctly, you need professional diagnosis and repair. Don't attempt to fix it yourself unless you're experienced working on vehicles. Taking it to a mechanic or Ford dealership is the best course of action.
