Volumetric Sensor
The volumetric sensor is mandatory in some markets, an optional fitment in some markets and is not available in other markets. The volumetric sensor comprises two sensors which allow the interior of the vehicle to be monitored. The module is located in a central position in the front overhead console.
Double Locking Vehicles - The volumetric sensors are activated when the vehicle is double locked. The vehicle can be locked and alarmed with the volumetric sensors deactivated if a pet is to be left in the vehicle for example, by single locking the active anti-theft system.
When volumetric sensors are active, if the vehicle battery voltage falls to below 9 volts, the BCM/GWM will ignore any inputs from the sensors to prevent false alarm activation.
The BCM/GWM ignores the signals from the volumetric sensor for the first 30 seconds to allow time for the vehicle interior to settle and prevent false alarm activation.
If the tailgate is opened via the smart key, the volumetric sensor and the tilt sensor are inhibited until the tailgate is closed.