How do you reset the check engine light on1998 ford f150 xlt?

To reset the check engine light on a 1998 Ford F-150 XLT, you can disconnect the negative battery terminal for about 15 minutes, which will clear the vehicle's computer memory. Alternatively, you can use an OBD-II scanner to read and clear any trouble codes, which will also turn off the light. Make sure to address any underlying issues before resetting the light, as it will come back if the problem persists. Always reconnect the battery terminal securely after resetting.