Disconnect the neg battery cable for about 30 seconds; this will reset the computer. If there is a existing problem the code will reset however. Get yourself a HAYNES manual to identify the code and problem.
To reset the oil light in a 2002 Oldsmobile Bravada, first turn the ignition key to the "On" position without starting the engine. Then, press the accelerator pedal three times within five seconds. This should reset the oil change light. Finally, turn off the ignition and restart the vehicle to ensure the light is no longer illuminated.
turn off engine, and start again
You can disconnect the negative battery cable, wait a couple minutes then reconnect the cable. This will clear the codes and reset the check engine light but, if the reason the light came on isn't fixed the light will come back on soon.
Dome light fuse for 2004 Bravada is fuse#4 (10amp) in fuse box underneath back seat on driver's side
What does 'service engine soon' light mean on a 1998 olds intrigue?
Have the ECU scanned with an OBD2 scan tool. This will retrieve the code which will tell you what part is being effected.
The service engine soon light on an Oldsmobile Cutlass Supreme notifies the driver that it is time to change the oil. It is trigger around the 3,000 mile mark at regular intervals.
Have vehicle scanned to determine the problem and have codes cleared
check engine light
I just had an oil change and the guy turned the key on (did not start car). Pumped the gas pedal three times simultaneous. Repeated with key off.
To reset the "Service Engine Soon" light on a 1992 Regency Oldsmobile, you can first disconnect the negative battery terminal for about 10 to 15 minutes. This will clear the engine codes and reset the light. Alternatively, if you have access to an OBD-I scanner, you can use it to read and clear the trouble codes, which will also turn off the light. After resetting, ensure that any underlying issues are addressed to prevent the light from coming back on.
hard fault code What is a hard fault code?