You have to fix the cause of the code that turned the light on. You will need a scanner to read the code.
By taking the cable off battery putting back on reset code
After fixing the cause of the trouble code, you clear code with a scan tool.
How do I reset an error code 6?
The Jeep 302 cubic inch engine 306 error code is a reference to a malfunctioning PCV valve. Replace your PCV valve and the error code should stop.
How can I fix Error code 80040154?
The airbag light stays on when the computer has detected a malfunction and set a code. The light can not be reset until the failure is repaired.
quite possible if cd is stuck this code will appear
Trouble code P0133 means:O2 sensor circuit slow responce (Bank 1 Sensor 1)
Trouble code P0605 means:Internal control module read only memory (ROM) error
Leave the radio on for 1 hour and it will reset and then accept the 5 digit security code.
If you own a Pachislo Slot Machine you WILL have to reset your machine eventually. Error codes will prevent you from playing your machine and without resetting it will be stuck with an error code... forever!...