False alarm

Fig 1: Identifying False Alarm Condition

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The armed alarm is protected against the following:

• Knocks to the car
• Shaking or vibration of the car
• Wind load (external pressure waves)
• Automatic switching on/off of any electrical equipment in the car.
• External noise
• Changes in the internal/external light intensity
• Air flows and turbulence inside the car.
• Temperature changes inside the car.
• Fan noise from original extra heaters inside the car.