You can't.
remove positive battery cable for 20 seconds,this should shut off light!! if car is newer than 1996 then you have to have a scan tool to read codes, Auto zone has a scan tool,and they will test it for no cost!! to read codes,,
The scan tool needs to communicate to read the codes.
With a scan tool.
A scan tool is preferred.
With a scan tool.
You need a scan tool to read codes. ....
Have the codes read, repair the cause, clear code with a scan tool or battery disconnect.Have the codes read, repair the cause, clear code with a scan tool or battery disconnect.
That requires a scan tool.
Any OBD II code reader will do the trick.
If it is a U.S. car then it is an OBDII compliant vehicle and the codes can be read with an OBDII scan tool.
With an obd 2 scan tool
I use a scan tool.