GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18552429) - 2025
12 Keys, Doors, and Windows
1. Press the button on the side of the
remote key near the bottom and pull
the mechanical key out. Never pull the
mechanical key out without pressing
the button.
2. Separate the two halves of the remote
ke
y by using the blade of the mechanical
key inserted into the bottom center of the
remote key. Do not use the key slot.
3. Remove the old battery. Do not use
a
metal object.
4. Pull the seal by pulling on the tab to access
the battery.
5. Remove the battery cover.
6. Insert the new battery with the positive
side facing up. Replace with aCR2450
Lithium or equivalent battery.
7. Ensure that the silicone mat is correctly
positioned with no gaps or wrinkles.
8. Set the transmitter button side down on
ahard surface and press the other half
straight down to force the halves together.
9. Reinsert the mechanical key.
Remote Start
This feature allows the engine to be started
from outside the vehicle.
@ : This button on the remote key is for
remote start.
The climate control system will use the
previous settings during aremote start. The
rear window defogger may come on during