Your vehicle has power-assisted brakes that adjust automatically through normal usage.
If the engine is not running or is turned off while driving, the power assist for the brakes will not work. You can still stop your vehicle by applying greater force to the brake pedal than typical. The stopping distance, however, will be longer than with power brakes.
When the engine is not running, the reserve brake power is partially depleted each time the brake pedal is applied. Do not pump the brake pedal when the power assist has been interrupted.
Pump the brake pedal only when necessary to maintain steering control on slippery surfaces.
WARNING
Take the following precautions:
Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description
System Overview
The System offers the following features:
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Human / machine interface through a 1-stage button, for terminal switching and engine start.
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Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition swit ...
Hyundai Elantra AD (2016-2020) Owners Manual: Curtain air bags
Curtain air bags are located along both sides of the roof rails above the front
and rear doors.
They are designed to help protect the heads of the front seat occupants and the
rear outboard seat occupants in certain side impact collisions.
The curtain air bags are designed to deploy during ...