There are 3 usual ways:
It is common for the check engine light to come on as result of gas cap not tightened after fill up. Check to see that it is tight, and drive for a while. The computer should reset after next fill up.
To reset the "Service Engine Soon" light on a 1997 Chevrolet Tahoe, you can disconnect the negative battery terminal for about 10-15 minutes. This clears the engine codes stored in the computer. Alternatively, you can use an OBD-II scanner to erase the codes if you have access to one. Remember that if the underlying issue isn't addressed, the light will likely come back on.
Only way of knowing that is to get it scanned for codes. Most parts stores will do it for free.
A person can reset the service engine light in a 1998 Tahoe by disconnecting the battery cables for 1 minute. After the battery cables are reconnected, the light should turn itself off.
picture of engine
Why? Just reset it.
Yes it can.
That requires an OBDII engine scanner.
THE EASIEST WAY TO DO IT YOURSELF IS TO UNHOOK THE BATTERY. iF YOU DO HAVE A PROBLEM THOUGH, THE LIGHT WILL COME BACK ON.
To reset the "Service Engine Soon" light on a 1992 Chevrolet Astro, you can disconnect the battery for about 15 minutes. This will clear the engine codes and reset the light. Alternatively, you can use an OBD-I scanner (if available) to clear the codes. After resetting, ensure that any underlying issues are addressed to prevent the light from coming back on.
Have vehicle scanned to determine the problem and have codes cleared
See sources and related links below for 1999 Chevrolet Tahoe light bulb part number list.
There are pages of things that can turn the light on. You need to have it checked for codes. See related questions below.