Some cars it will reset after a certain number of starts. Other wise you will have to take it to a company that can hook your car up to a computer to reset it.
Battery disconnect or a scan tool.
how to turn off engine light on 2002 Chrysler int
You may need to replace the power control module.
disconnect battery for 30 seconds
Charging system failure:::,check alt.voltage regulator is inside engine controller
That is the check engine light, see related question below.
If you fix the reason the light came on in the first place the check engine light will reset itself after a few drive cycles.
A 2001 Intrepid does not have an oil change light.
see link below, should look like the picture there.
Disconnect the negative battery cable for 10 minutes then re hook.
try replacing the thermostat
CAR WONT START Transmission may not shift. Check engine light could be on.