Reset check engine light on 1998 blazer?

To reset the check engine light on a 1998 Chevy Blazer, you can disconnect the negative battery cable for about 10-15 minutes. This will clear the vehicle's computer memory and turn off the light. Alternatively, you can use an OBD-II scanner to erase the trouble codes that triggered the light. However, make sure to address any underlying issues to prevent the light from coming back on.