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Home >> Chevrolet >> 2009 >> TrailBlazer 6.0 H, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Description and Operation >> Keyless Entry System Description and Operation >> Keyless Entry Transmitters
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Keyless Entry Transmitters

The keyless entry transmitters are used to lock and unlock the vehicle door while away from a distance of up to 9 m (30 feet) away. Up to 4 transmitters may be programmed to a single vehicle.