Operation CHARM
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Buick
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1999
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Riviera V6-3.8L SC VIN 1
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Repair and Diagnosis
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Lighting and Horns
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Description and Operation
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Exterior Lights
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Lighting System
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Exterior Lighting
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Backup Lamps
Backup Lamps
The
backup lamps
turn on when the ignition is ON and the shift lever is moved to reverse. The park/neutral position switch controls the backup lamps.