Hyundai Sonata: Theft-alarm system - Features of your vehicleHyundai Sonata: Theft-alarm system

This system is designed to provide protection from unauthorized entry into the

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:

Emission control system
The emission control system of your vehicle is covered by a written limited warranty. Please see the warranty information contained in the Owner’s Handbook & Warranty Information booklet in ...

Troubleshooting
Troubleshooting Symptom Suspect area Engine will not start or struggle to start Vapor hose damaged or disconnected Engine strugg ...

Limitation of Active ECO operation
If the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator. When the coolant temperature is low: The sys ...