What is an active headrest restraint?

What is an active headrest restraint?

Active Head Restraints is a system that comes into action only in a rear-end crash. This movement triggers the back rest and lever, which bring the headrest forward automatically to decrease the distance between head and headrest. This reduces risk of injury by preventing stretching of the neck vertebrae.

How do you reset the headrest on a 2012 Hyundai Genesis?

Lift up and remove the headrest by pressing the release button on the left side headrest post. Be sure not to lose the retaining clip. Re-adjusting the seat back may be required to remove the headrest. Position the headrest on a flat surface with the head support side facing downward.

When do you reset the active head restraints?

If the Active Head Restraints are triggered in an accident, you must reset the head restraint on the driver’s and front passenger seat. You can recognize when the Active Head Restraint has been triggered by the fact that they have moved forward (as shown in step three of the resetting procedure).

How does the Toyota active headrest system work?

Working of Active Headrest system (Courtesy: Toyota) Active-Headrest system is connected to the electronic control system of the vehicle. Thus it is capable of recognizing the rear end collision. Once the severity of such an event increases a preset limit, this system activates the head-rest.

How does the headrest work on a BMW?

On BMW vehicles, pressurized gas actuates the headrest while on Mercedes-Benz vehicles, springs actuate it. The effectiveness of this system depends on the accuracy of activation.

How to reset active head restraints ( Ahr ) in Chrysler 200?

Grasp the deployed AHR from the rear seat. 2. Position the hands on the top of the deployed AHR at a comfortable position. 3. Pull down then rearward towards the rear of the vehicle then down to engage the locking mechanism. 4. The AHR front soft foam and trim half should lock into the back decorative plastic half.

Can a headrest be reset on a Dodge Grand Caravan?

The vehicle-specific search results will usually state if the active headrest can be reset, or it will identify the parts that need to be replaced. Some active headrests are mechanical, like on the 2014 Dodge Grand Caravan. If undamaged, they “are designed with the intention of reuse.”

What should I do about an active headrest?

Let’s take a look at some of the key points when working with an active headrest and some of the resources to find information. As always, refer to vehicle-specific service information to determine the proper repair, replacement, and reset procedures (when applicable).

How does a Toyota Venza active headrest work?

Some active headrests may automatically reset, like on the 2010 Toyota Venza. This system uses a pressure plate in the seat back to move the headrest forward. A spring automatically returns the headrest to the original position following a rear impact. Others use pressurized gas for activating the active headrest.

How often do you change the headrest on a BMW 3 series?

A vehicle maker may have more than one type of system in their vehicle lineup. For example, the 2014 BMW 7 Series may be reset by replacing a pressurized gas cartridge (up to five times); while the active headrest on the 2014 BMW 3 Series require the complete headrest be replaced.