Unless it is the anniversary edition it does not open.
The relay is attached to the bracket that holds the wiper motor to the hatch.
On the rear Rod and's, in your 1988 Chevrolet Corvette, are located on the axles. A complete diagram of the grease fittings can be obtained from most auto-parts stores.
Right by the motor to the left under the rear cover..
If its like my 2003 Expy, the relay for the rear wiper motor also controls the rear hatch lock
The location for the rear defogger relay on a 1999 Hyundai Elantra is located in the trunk or hatch area of the vehicle. The relay is labeled as M25.
one inside the center console and one on the latch side of each door
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what light?! head light, tail light, parking light, rear view mirror light, rear hatch light, underhood light, etc.
you need to crawl in the back of the trunk, where the latch is for the trunk, next to it on left side there is a cable that you can pull to manually relese the trunk/hatch.
Rear window relay is inside the pillar on drivers side - its easiest if you remove th rear passenger interior side panels
Possibly at the same place it is on a 1982 Corvette behind drivers seat in front of battery between battery and carpet on floor at rear of seat. Its worth a try