Operation CHARM
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Buick
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1998
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Riviera V6-3.8L SC VIN 1
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Description and Operation
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Universal Theft Deterrent (UTD) System Operation
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Deactivating the Alarm (Horns Sounding and Lights Flashing)
Deactivating the Alarm (Horns Sounding and Lights Flashing)
To deactivate a system in the alarm mode (horns sounding intermittently and headlights flashing).
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Use the key to unlock the LH or RH front door
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Press the UNLOCK button on the key fob.