Chevrolet 2010 Corvette Convertible Owner's Manual page 142

2. To verify that the garage door opener is a Fixed
Code unit, remove the battery cover on the hand
held transmitter supplied by the manufacturer of
the garage door opener motor. If there are a row
of dip switches similar to the graphic above, the
garage door opener is a Fixed Code unit. If you
do not see a row of dip switches, return to the
previous section for Programming Universal Home
Remote Rolling Code.
The hand held transmitter can have between
eight to 12 dip switches depending on the brand
of transmitter.
3-46
The garage door opener receiver (motor head unit)
could also have a row of dip switches that can be
used when programming the Universal Home
Remote. If the total number of switches on the
motor head and hand held transmitter are different,
or if the dip switch settings are different, use the
dip switch settings on the motor head unit to
program the Universal Home Remote. The motor
head dip switch settings can also be used when
the original hand held transmitter is not available.