It also has systems that can alert the driver to slippery roads ahead and can provide early warning of hazard warning lights ahead. (carbuyer.co.uk)
There's also a crash - activated inertia switch that unlocks doors, activates hazard warning lights and turns off the fuel pump in the event of a collision. (articles.orlandosentinel.com)
PRE-SAFE ® PLUS can recognise an imminent rear - end collisionand warn the following traffic by activating the rear hazard warning lights at a high frequency. (topspeed.com)