Operation CHARM
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Chevy Truck
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1998
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Express 1 Ton Van V8-5.7L VIN R
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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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Keyless Entry
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Description and Operation
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Door Locks
Door Locks
When the LOCK button on the transmitter is pressed 2 time, the signal is received by the receiver and locks all the doors at once.