Astro Van 2WD V6-4.3L VIN W (2001)
1. Install the battery (2) with the positive (+) side down.
Use one 3 V CR2032 battery (or the equivalent).
2. Close the transmitter case (6, 4).
3. Ensure the seal is in position. Align the two halves of the case and snap the two halves together.
4. Synchronize the transmitter. Refer to Transmitter Synchronization. See: Service and Repair/Transmitter Synchronization
5. Replace the batteries when the range of the transmitter decreases to less than 7 m (23 ft).