How do you turn service engine soon light on a 1998 ifinity qx4 SUV off?

To turn off the "Service Engine Soon" light on a 1998 Infiniti QX4, you can start by checking for any diagnostic trouble codes (DTCs) using an OBD-II scanner. Once the issue is resolved, you can reset the light by either disconnecting the battery for about 10-15 minutes or using the scanner's reset function. If the light comes back on, it indicates that there may still be an underlying issue that needs addressing. Always ensure that any necessary repairs are completed before resetting the light.