2004 Saturn Ion transmission

Check your transmission fluid level. It may not be possible for the average owner to do this, as Saturn transmissions are made to he used for 100,000 miles, then serviced for another 100,000.
So they don't have a dipstick .
If you have had any leaks under it, it most likely is low .

should not need to check it, but there is a level bolt on the side, you need to have the vehicle on level ramps to check it. they are hard to get undone.

Dextron is fine.

Your car takes Dextron III automatic transmission fluid.

If it's like mine it doesn;t have tranmission fluid because it has an electric transmission.

Electric transmission no fluid

Hi!!
You add transmission fluid thru the dipstick tube. You'll need a small funnel for that. If level is below normal, add fluid a little at the time, DO NOT OVERFILL.
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there is no power steering fluid,,,,,none,,,its a electric motor thats on the column inside the car under the dash,,,the motor goes bad and overheats and shuts off,you need a new motor for the electric power steering,,,,,no ionhas power steering fluid,,,,the leak you have under the hood is something else,,,maybe on the right side of the engine there is a cam block off plate,that seal leaks alot,,,,

DEXRON® VI Automatic Transmission Fluid (ATF)

The transmission in 05 that one has a filter and takes close to 7 quarts. It has a level hole, no dipstick. You fill it idling in park till it just starts to come out of the level hole.