Chevrolet 1995 Blazer Owner's Manual page 54

This vehicle has one
double-sided key for
the ignition, endgate,
spare tire lock
(two-door vehicles)
and door locks. It will
fit with either side up.
0
*
0000
*
provides the owner
with a pair of identical
keys and a bar-coded
tag.
The bar-coded tag has a code on it that tells your dealer or a qualified
locksmith how to make extra keys. Keep this tag in a safe place. If you lose
your keys, you'll be able to have new ones made easily using this tag.
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