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Defroster & foot mode
If the defroster & foot mode switch is pressed, the indicator comes on while the air
flows to the footwell and the windshield.
Defroster mode
This is used to remove the condensation from the windshield. When you press the
switch, the indicator comes on and the air distribution is changed to the windshield
at the same time, then the air conditioner starts to operate.
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1. AIR BAG SYSTEM OVERVIEW
The air bag system is divided into front air bag system and side air bag system. The system protects the
occupant's body by deploying the air bags in the event of a collision. The system consists of 8 inflators
including the inflators of the seat belt pretensioners, air bag unit (SDM), and 4 impact sensors on the
front side and both sides of the vehicle. The air bag unit (SDM) determines the operation of each air bag
module and seat belt pretensioners using the crash signals from the front and side impact sensors in the
event of a collision. The front and side air bag systems are operated independently, and the body control
module (BCM) activates the auto door unlock function and various lamps including hazard warning lamp
and room lamps, when the crash signal from the SDM is received to notify others of emergency situation
and let the occupant escape easily. The SDM is equipped with self diagnosis function, and it performs
the diagnosis on the internal/external devices of the air bag system for a certain period of time after IGN
ON. And it monitors the air bag system regularly and turns on the air bag warning lamp on the
instrument cluster when a fault is found in the system, to notify the driver. The SDM has event data
recorder (EDR) function that stores the driving information data transmitted through CAN communication
from various units (vehicle speeds, engine rpm, brake application, etc.) in a crash or near crash event,
when the acceleration sensor in the air bag unit detects a sharp acceleration change, regardless of the
air bag deployment
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5. EVENT DATA RECORDER (EDR)
The event data recorder (EDR) stores the driving information data in a crash or near crash event, when
the acceleration sensor in the air bag unit detects a sharp acceleration change which meets the EDR
operating conditions, regardless of the air bag deployment The air bag unit always stores the driving
information data and updates the data with new one periodically. If a collision is detected by front and
side impact sensors, the acceleration sensor in the SDM detects the change in acceleration. The air bag
unit stores the information on internal acceleration sensor, driving status and air bag deployment at this
time.
The EDR stores the driving information also when the acceleration sensor in the air bag unit detects
a sharp acceleration change in the event of a rear-end collision or side collision for a vehicle without
an air bag