what does it mean when my battery light comes on while i'm driving? on 2007 Jeep Compass

battery light is on while driving

1 answer 2 comments
your alternator has a proble. get it checked asap before the system goes dead.

thank you.. i will get it checked out tomorrow. how much is an alternator if needed . 2007 jeep compass
alt is around 250 and 1.3 hours to replace