Quote Originally Posted by Daox View Post
Its definitely not a bad idea to clean up the terminals, but I wouldn't say its definitely a problem is all. If you had a bad battery connection there you would have more problems than radio issues. You'd have problems starting the car as that is by far the largest drain on the battery.
He said:
Also, sometimes my clock and radio shuts off from time to time and even at one point It wouldn't start.
When you see corrosion visible it is best to remove it and keep the terminals clean.

Here's a link that may be helpful (click here).