Hyundai Sonata: Occupant classification system
Type A

Type B

Your vehicle is equipped with an occupant classification system in the front passenger's seat.
The occupant classification system is designed to detect the presence of a properly-seated front passenger and determine if the passenger's front air bag should be enabled (may inflate) or not. The driver's front air bag is not affected or controlled by the occupant classification system.
SRS components and functions
The SRS consists of the following components:
1. Driver's front air bag module
2. Passenger's front air bag module
3. Side impact air bag modules
4. Curtain air bag modules
5. Retractor ...
Main components of occupant classification system
A detection device located within the front passenger seat frame.
Electronic system to determine whether the front passenger air bag system
should be activated or deactivated.
A warning ligh ...
See also:
Schematic Diagrams
System Block Diagram
...
Troubleshooting
Basic Troubleshooting
Basic Troubleshooting Guide
Customer Problem Analysis Sheet
Basic Inspection Procedure
Measuring Condition of Electronic Parts' Resistance
The mea ...
Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the factory. Check the antifreeze protection
and coolant level at least once ...
