1994 GMC Safari Owner's Manual - Page 115

Warning Lights, Gages and Indicators This section describes the warning lights and gages that may be on your vehicle. The pictures will help you locate them. Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to your warning lights and gages could also saveyou or others from injury. Warning lights go on when there may be or is a problem with one of your vehicle's functions. As you will see in the details on the next few pages, some warning lights come on briefly when you turn ignition key just to the let you know they're working. If you are familiar with this section, you should not be alarmed when this happens. Gages can indicate when there may be or isa problem with one of your vehicle's functions. Often gages and warning lights work together to you let know when there'sa problem with your vehicle. When one of the warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check the section that tells you whatto doabout it. Please follow the manual's advice. Waiting to do repairs can be costly - and even dangerous. So please get to know your warning lights and gages. They're a big help. Brake System Warning Light Standard Cluster Digital Cluster Your vehicle's hydraulic brake system is divided into two parts. If one part isn't working, the other part can still work and stop you. For good braking, though, you need both parts working well. 2-55