2004 Saturn Ion Q&A

2004 Saturn Ion Question: What does the "service vehicle" warning light mean and what do I do about it?

The light has just started coming on today. It stays on. If I need a iagnostic code how do I find it? Also, It has started vibrating when I apply my brakes. What is causing that? -
Answer 1
go to auto zone and they will scan for free, then post codes so we can adv -