This document shows you how to knowing what to do when a light appears on your dash can make the difference between a quick and easy diagnosis or an expensive repair. Some of important warning lights every driver should be aware of: check engine light, SRS light (Supplemental Restraint System), ABS light, low coolant light, red oil light on, red brake warning light, yellow brake warning light (brake pad light), air suspension lights (airmatic, air ride, hydraulic suspensions), tire pressure warning light, emission warning light, resetting oil lights. Here little explanation on Check Engine Light : Also known as a Service Engine Soon light, it simply means that your vehicle’s on-board computer system detected a problem and stored a fault code. In this respect, there are literally hundreds of reasons why a Check Engine light icon might appear on your dash, but if it’s there, it’s on for a reason and needs to be fixed as soon as possible. Depending on the year, make, and model, it may be related to the engine, emission’s system, or the transmission. More often than not, the fault code points to a problematic circuit, as opposed to a specific component, sometimes resulting in a lengthy process to identify, diagnose, repair. This is also why each car requires an individual approach before the root cause of the problem is identified and fixed. To avoid potential long-term issues, we strongly recommend that you get it checked out at your earliest convenience or risk damaging the engine or expensive emission components….