Lincoln Navigator Owner's Manual page 640

Seating and Safety Restraints
• Two crash sensors mounted in the front doors (one on each side).
• Two crash sensors located at the c-pillar behind the rear doors (one
on each side).
• Rollover sensor in the restraints control module (RCM).
The Safety Canopy system, in combination with seat belts, can help
reduce the risk of severe injuries in the event of a significant side impact
collision or rollover event.
Children 12 years old and under should always be properly restrained in
the second or third row seats. The Safety Canopy
with children restrained using a properly installed child or booster seat
because it is designed to inflate downward from the headliner above the
doors along the side window opening.
The Safety Canopy system is designed to activate when the vehicle
sustains lateral deceleration sufficient to cause the side crash sensor to
close an electrical circuit that initiates Safety Canopy
a certain likelihood of a rollover event is detected by the rollover sensor.
The Safety Canopy is mounted to roof side-rail sheet metal, behind the
headliner, above the first and second row seats. In certain lateral
collisions or rollover events, the Safety Canopy
activated, regardless of which seats are occupied. The Safety Canopy
designed to inflate between the side window area and occupants to
further enhance protection provided in side impact collisions and rollover
events.
The fact that the Safety Canopy
mean that something is wrong with the system. Rather, it means the
forces were not of the type sufficient to cause activation. The Safety
Canopy is designed to inflate in certain side impact collisions or
rollover events, not in rear impact, frontal or near-frontal collisions,
unless the collision causes sufficient lateral deceleration or rollover
likelihood.
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