Revision question · Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

What will happen if the brake-fluid level falls too low?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

Braking efficiency may be reduced or the brakes may fail

The brakes will overheat

The brakes will suddenly stop working

The parking brake will fail

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Braking efficiency may be reduced or the brakes may failThis was the right answer

A low brake-fluid level may indicate a leak or another defect and can reduce braking efficiency or lead to brake failure. Stop using an unsafe vehicle and have the system checked. A spongy or unusually long pedal is a separate warning of a brake problem, not the only possible effect of low fluid.

Reviewed reading for this question

Vehicle maintenanceHighway Code annex · A spongy pedal or low brake fluid can indicate a dangerous hydraulic fault; stop normal use and obtain a qualified check.Car vehicle-safety questionsReviewed guidance summary · A spongy pedal or low brake fluid can indicate a dangerous hydraulic fault; stop normal use and obtain a qualified check.

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