See also:

Remote Trunk Release
To open the trunk, press on the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation  for more information. ...

Remote Keyless Entry (RKE) System Operation
The transmitter functions will work up to 20m(65 ft) away from the vehicle. Keep in mind that other conditions, such as those previously stated, can impact the performance of the transmitter. ...

Key and Lock Messages
NO REMOTE DETECTED This message displays when the transmitter battery is weak on vehicles with keyless access. See “Starting the Vehicle with a Low Transmitter Battery” under Remote Key ...