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Home >> GMC >> 1999 >> Envoy >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Keyless Entry Systems >> Programming Procedures >> Transmitter Programming >> With Scan Tool

With Scan Tool

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Connect scan tool as directed. Enter Special Functions screen. Select appropriate menu selection. Once program has been entered, continue programming by holding down LOCK and UNLOCK buttons on transmitter until receiver control module responds by locking and then unlocking all doors and unlatching rear window (utility vehicles only). Repeat for each additional transmitter. All extra transmitters MUST be programmed at this time. When a new transmitter is programmed, old transmitters will be deactivated.