Electrical preheating
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Security & Tracking
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Cabin heating and security
Trip log
BackUp Siren
Self-powered additional siren
The BackUp siren has built-in batteries that ensure that it will go off if the power to the alarm system or primary siren should be cut.
Description
The BackUp siren is an optional accessory for DVS90. It has a built-in battery and will produce a loud sound if the power supply for the siren or alarm is cut, giving your car an extra layer of protection.
Mounting
Remember to synchronize the alarm after installation. If this is not done, the BackUp siren may not work as intended.