if you don't have an owners manual to read there is this new thing out called the internet in which you can look things up and it actually will give you answers to all your questions. its amazing! the warning light is a master warning light.
I did the group by here from China....took nine days from day I ordered.....no damage/packaged very well....did the DSL shipping....was later emailed that DSL was suspending shipping in china due to the christmas rush and they credited my shipping costs via PayPal and sent it via their shipper...