Jeep Grand Cherokee 2016 Owner's Manual page 313

UNDERSTANDING YOUR INSTRUMENT PANEL 311
Brake Warning Light
Red Telltale What It Means
Light
Brake Warning Light
This light monitors various brake functions, including brake fluid level and parking brake
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application. If the brake light turns on it may indicate that the parking brake is applied, that
the brake fluid level is low, or that there is a problem with the anti-lock brake system reser-
voir.
If the light remains on when the parking brake has been disengaged, and the fluid level is at
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the full mark on the master cylinder reservoir, it indicates a possible brake hydraulic system
malfunction or that a problem with the Brake Booster has been detected by the Anti-Lock
Brake System (ABS) / Electronic Stability Control (ESC) system. In this case, the light will
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remain on until the condition has been corrected. If the problem is related to the brake
booster, the ABS pump will run when applying the brake, and a brake pedal pulsation may
be felt during each stop.