2005 Chevrolet Tahoe Owner's Manual - Page 195
2005 Chevrolet Tahoe Manual
Page 195 highlights
If the warning light comes on and a chime sounds there could be a brake problem. Have your brake system inspected right away. If the light comes on while you are driving, pull off the road and stop carefully. You may notice that the pedal is harder to push or may go closer to the floor. It may take longer to stop. If the light is still on, have the vehicle towed for service. See Towing Your Vehicle on page 4-57. {CAUTION: United States Canada Your brake system may not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to an accident. If the light is still on after you have pulled off the road and stopped carefully, have the vehicle towed for service. This light should come on briefly when you turn the ignition key to RUN. If it doesn't come on then, have it fixed so it will be ready to warn you if there's a problem. 3-43
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