Check in the vehicle where the light is located for round plastic plugs. I believe there are screws under them to access the light.

Answered by Jacobandnickolas (expert)
57,318 answers provided

HIGH MOUNTED STOP LAMP REPLACEMENT

REMOVAL PROCEDURE
Remove the liftgate.
Remove the fasteners securing the high mounted stop lamp to the liftgate.
Separate the rear edge weatherstrip of the bezel from the liftgate. Use a plastic flat-bladed tool to release the adhesive strip from the liftgate.
Disconnect the high mounted stop lamp electrical connector from the wiring harness.
Separate the front edge weatherstrip from the bezel. Use a plastic flat-bladed tool to release the adhesive strip from the bezel.

Remove the fasteners securing the high mounted stop lamp to the bezel.
Remove the high mounted stop lamp from the bezel.
INSTALLATION PROCEDURE
Clean any tape residue from the liftgate and the high mounted stop lamp bezel with a 50/50 mixture by volume of isopropyl alcohol and water.
Use a clean lint-free cloth to wipe dry the liftgate, the high mounted stop lamp, and the bezel.
Install the high mounted stop lamp to the bezel.
Install the fasteners that secure the high mounted stop lamp to the bezel.
NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the high mounted stop lamp fasteners to 2 N.m (18 lb in) .

Peel back the protective cover to expose the bezel side adhesive tape edge of the new rear edge weatherstrip.
Position the notches on the new rear edge weatherstrip to the high mounted stop lamp bezel.
Press the new rear edge weatherstrip onto the high mounted stop lamp bezel.

Connect the high mounted stop lamp electrical connector to the wiring harness connector.
Peel back the protective cover to expose the liftgate side adhesive tape edge of the new rear edge weatherstrip on the high mounted stop lamp bezel.
Position the high mounted stop lamp bezel to the liftgate.
Press the rear edge of the high mounted stop lamp bezel onto the liftgate.
Install the fasteners securing the high mounted stop lamp bezel to the liftgate.
Tighten the bezel fasteners to 3 N.m (27 lb in) .

Install the liftgate.
Use a small flat-bladed tool to work the upper window seal out from under the high mounted stop lamp bezel.

Answered by ASEMaster6371 (expert)
24,789 answers provided