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What should you do if the braking system cannot build up hydraulic pressure?
A.  Upshift.
B.  Downshift.
C.  Hold the brake pedal down as far as it will go.
If your hydraulic braking system will not build up the pressure needed to slow or stop your vehicle, there are a few possible solutions. Try shifting into a lower gear, pumping the brakes, and/or using the emergency brake.
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