2012 Jeep Grand Cherokee Owner Manual - Page 75

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 73 Advanced Front Air Bags are designed to provide additional protection by supplementing the seat belts in certain frontal collisions depending on several factors, including the severity and type of collision. Advanced Front Air Bags are not expected to reduce the risk of injury in rear, side, or rollover collisions. Because air bag sensors measure vehicle deceleration over time, vehicle speed and damage by themselves are not good indicators of whether or not an air bag should have deployed. 2 Seat belts are necessary for your protection in all collisions, and also are needed to help keep you in position, The Advanced Front Air Bags will not deploy in all away from an inflating air bag. frontal collisions, including some that may produce subThe ORC monitors the readiness of the electronic parts of stantial vehicle damage - for example, some pole collithe air bag system whenever the ignition switch is in the sions, truck underrides, and angle offset collisions. On START or ON/RUN position. If the key is in the OFF the other hand, depending on the type and location of position, in the ACC position, or not in the ignition, the impact, Advanced Front Air Bags may deploy in crashes air bag system is not on and the air bags will not inflate. with little vehicle front-end damage but that produce a severe initial deceleration. The ORC contains a backup power supply system that may deploy the air bags even if the battery loses power or The side air bags will not deploy in all side collisions. it becomes disconnected prior to deployment. Side air bag deployment will depend on the severity and type of collision.