See also:

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “REPLACE BATTERY IN REMOTE KEY” under Key and Lock Messages   for additional information. Notice: ...

Liftgate
Manual Liftgate Operation For vehicles without keyless access, unlock the vehicle before opening the liftgate. Press the touch pad located in the handle of the liftgate, above the license plat ...

Liftgate
WARNING Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. ...