Usually it means your alternator is bad or going bad.
in almost all vehicles since 1995 take 134A
It is mounted on the fire wall under where the intake goes into the injector body.
if it is a V6 it is located on the throttle body at the end of the big tube that goes to your air filter. you need to get a new throttle body.
Use Dextron III automatic trans fluid; it is available everywhere. Do not use dexron 3 !!! ...hyundai uses sp II or pennzoil multi vehicle only. check out the Hyundai Service Technology Website!
Get the alternator checked before your battery goes dead.
The battery light coming on in your Town and Country minivan means that the alternator needs to be replaced. The alternator charges the battery and if it goes bad it will not charge the battery.
Take off the negative battery cable and hook a test light in between the cable and the battery post. If you have a drain, the light will be on. Start pulling fuses until the light goes off and when it does go off, that is the thing that is draining the battery. If no fuses affect it, take the altermator wires off. If the light goes off then, the alt is bad,.
alternator is going out Or the belt is slipping
Install a test light in series with battery. If there is a current flow light will illuminate. Remove 1 fuse at a time until light goes out that will determine which circuit is drawing current. Then you can trouble shoot that circuit. May be concealed light i.e. glove box is left on. Could also be voltage regulator circuit is not opening when vehicle is shut down.
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alt belt.
Turn on any light in the car, if the light gets very dim or goes out you have a bad (or discharged) battery. Its remotely possible that the terminal connections on the battery are corroded or dirty.
"The only time the charge battery light goes off is when you press the gas" is the classic symptom of a loose or very well worn belt.