4Front® by IMMI® is designed to protect firefighters and truckers in the most common type of accident-a head-on crash. When the 4Front sensor detects a frontal crash, it sends a signal to initiate three events that provide protection for the driver and/or first officer: The system tightens seat belts around the driver and/or first officer to position them securely in their seats. It pulls down the suspension seats to their lowest position to increase survivable space. The system inflates a steering wheel airbag to protect the head and neck of the driver, while inflating a knee bolster airbag to protect the first officer’s legs.
| Make | IMMI |
|---|---|
| Manufacturer | IMMI |
| Model code | 4Front |
| Additional info |
4Front® by IMMI® is designed to protect firefighters and truckers in the most common type of accident-a head-on crash. When the 4Front sensor detects a frontal crash, it sends a signal to initiate three events that provide protection for the driver and/or first officer:
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