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Home >> Smart >> 2012 >> ForTwo Elec. Cabrio (451.491) ELE-Electric Engine (780.009) >> Repair and Diagnosis >> Brakes and Traction Control >> Parking Brake System >> Service Precautions
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Parking Brake System: Service Precautions



AS42.50-Z-0002-01A Risk Of Accident When Commissioning The Vehicle Due To A Lack Of Braking Effect When The Service Brake Is Operated For The First Time After Repair Work

Before commissioning the vehicle, operate the brake pedal several times until the pressure in the brake system is built up and maintained.

Danger of accident
The first time that the brakes are used after having performed any work on the braking system's hydraulics area, the risk of an accident is increased due to an impaired braking effect.

Safety guidelines/precautions
- After finishing the work on the braking system's hydraulics area and before startup of the vehicle, press the brake pedal several times to build up pressure in the brake system.
- Once pressure has been built up in the brake system, the brake pedal should be held in this position for approximately 30 s, whereby the pressure in the brake system should not drop.
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