1994 Chevrolet Astro Owner's Manual - Page 116
1994 Chevrolet Astro Manual
Page 116 highlights
If the warning light comes on, there could be a brake problem. Have your brake system inspected right away. This light should come on as you start the vehicle. it doesn't come on If then, haveit fixed so it will be ready to warn you if there's a problem. If the light comes on while you driving, pull off the road andstop are carefully. You may notice that the pedal harder to push. Or, the pedal may is go closer to the floor.It may take longerto stop. If the light is still on, have the vehicle towedfor service. (See "Towing Your Vehicle" in the Index.) The brake system warning light will also come on whenYOU set your parking brake, andit will stayon if your parking brake doesn't release fully. If it stays on after your parking brakeis fully released,it means YOU have a brake problem. Anti-Lock Brake System Warning Light Standard Cluster I Digital Cluster With anti-lock, this light willgo on when you start your engine and may stay onfor several seconds. That's normal. the light doesn't come on, If have it fixed so it will be ready to warn you if there a problem. is 2-56