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Home >> Jaguar >> 2010 >> XFR >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Anti-Theft - Active -- XF/X250) >> Anti-Theft - Active >> Description And Operation >> Overview (G970556) >> Overview >> Volumetric mode

Volumetric mode

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In volumetric mode the CJB monitors the interior of the vehicle for movement using an ultrasonic sound wave sensor.

If the battery backed sounder incorporates an inclination sensor the vehicle will also be monitored for unauthorised tilting; for example towing or jacking.