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How to Read a Saturn Service Light With a OBDII Reader

You can read your Saturns service light using an OBDII reader right from your own garage, saving yourself time and money. The Saturn has an On-Board Diagnostics (OBD) computer that notifies the driver of problems with the vehicle. It also alerts you to when you need to perform regular routine maintenance and service on your car. To find out exactly what type of servicing your Saturn needs, you can read the computer codes using an OBDII reader. These readers come with a booklet that translates the numerical codes, although some readers display the codes description on the devices screen.

Instructions

1

Put the key into the ignition and turn it to the "On" position. Do not start the engine.

2

Locate an open port under the steering column near the fuse panel. Make sure its the same size and shape as the connective end on your OBDII reader. Plug the OBDII reader into this port. The Saturns electrical system will automatically power most OBDII readers.

3

Wait for the device to read the codes. Look up the service codes in the booklet, if the description isnt displayed automatically on the readers display. Write down the code and description on a piece of paper.

4

Unplug the reader and turn off the vehicle. Take your vehicle, and the code and description to your mechanic to have the vehicle serviced.