2003 Cadillac Escalade Owner's Manual - Page 202

I If the message is displayed immediately after starting the vehicle or the message appears while driving, your Supplemental Brake Assist system needs service. See Brake System Warning Light on page 3-37 Your brake system may not be working properly if the REDUCED BRAKE POWER message is displayed. If this message comes on and stays on while driving, pull off the road and stop carefully. The brake pedal will be harder to push and it will take longer to stop. If the message is no longer displayed after you have pulled off the road and stopped, you can continue driving. However, if the message is still displayed, or if it comes on again when you are driving, there is a problem with your brake system. If you continue to drive with this message displayed it can lead to an accident. You should have the vehicle towed for service. Also, see Brake System Warning Light in the Index. Your brake system may not beworki,,, properly if the SERVICE BRAKE BOOSTER message is displayed. If the brake system warning light is alsoyou on, should have the vehicle towed for service. See "Brake System Warning Light" in the Index. If the brake system warning light isn't on, you still have brakes, but the supplemental brake assist system may not operate properly. the In event of a vacuum loss, you may not have vacuum power assist for braking. The brake pedal will be harder to push and it will take longer to stop. you continue to drive with If this message displayedit can lead to a crash. Have the brake system serviced as soon as possible. ~ SERVICE BRAKE BOOSTER If your vehicle has vaccum assist power brakes, this message will be displayed on the DIC when there is a problem with the Supplemental Brake Assist system. 3-59