GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Astro - 4WD
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Body and Accessories
🢒
Keyless Entry
🢒 Transmitter Battery Replacement
Removal Procedure
Insert a small coin between the 2 halves of the transmitter case at the slot provided near the key ring hole.
Twist the coin in order to open the case.
Open the transmitter case.
Remove the battery (2).
Installation Procedure
Install the battery (2) with the positive (+) side down.
Use one 3 V CR2032 battery (or the equivalent).
Close the transmitter case (6, 4).
Ensure the seal is in position. Align the 2 halves of the case and snap the two halves together.
Replace the batteries when the range of the transmitter decreases to less than 7 m (23 ft).