servo brake; power brake
A brake system that uses a servo mechanism to amplify the driver's pedal force. The cross-reference to サーボブレーキ suggests it is synonymous or closely related.
See also: サーボブレーキ
This car is equipped with a servo brake.
Compound of 倍力 (power amplification) and ブレーキ (brake), a direct calque or adaptation of the English 'servo brake' or 'power brake'.