The Parking Brake May Not Automatically Release on Cadillac DTS

The parking brake may not release automatically due to a failed vacuum switch or actuator. Our technicians tell us that if vacuum is supplied to the actuator when the transmission is in gear, the vacuum switch is functioning and replacing the actuator should correct this concern.

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Average mileage: 59,500 (41,000–78,000)
5 model years affected: 2006, 2007, 2008, 2009, more2010
7 people reported this problem
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Viewing 1 - 2 of 2 problem details
2008 Cadillac DTS 78,000 mi,
Use parking brake while parking on a hill.. could not release the brake for over an hour.
2007 Cadillac DTS 41,000 mi,
RELEASED EMERGENCY BRAKE MANUALLY AND LOST MOST OF MY BRAKING ABILITY WITH WARNING LIGHTS FOR BRAKES AND TRACTION CONTROL COMING ON TO GET SERVICED