Hyundai Sonata: Theft-alarm system

This system is designed to provide protection from unauthorized entry into the vehicle. This system is operated in three stages: the first is the "Armed" stage, the second is the "Theft-alarm" stage, and the third is the "Disarmed" stage. If triggered, the system provides an audible alarm with blinking of the hazard warning lights.
Battery replacement
The transmitter uses a 3 volt lithium battery which will normally last for several
years. When replacement is necessary, use the following procedure.
1. Insert a slim tool into the slot and gen ...
Armed stage
Using the smart key
Park the vehicle and stop the engine. Arm the system as described below.
1.Turn off the engine.
2.Make sure that all doors, the engine hood and trunk lid are closed and latched. ...
See also:
Rear Wheel Speed Sensor. Components and Components Location
Components
1. Rear wheel speed sensor cable
2. Rear wheel speed sensor
...
Accelerator Pedal. Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the negative (-) battery
cable.
2.
Disconnect the accelerator position sensor conn ...
Description and Operation
OBD-II review
1. Overview
The California Air Resources Board (CARB) began regulation of On Board
Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model
year. The ...
