Liftgate

Power Liftgate
Vehicles with an automatic transmission must be in P (Park) and a manual transmission must be in Neutral to operate the power liftgate.
To open the liftgate from inside, select the mode then press the center of the button. See Liftgate for more information on programming the height opening settings.
To open the liftgate with the Remote Keyless Entry (RKE) transmitter, press and hold
on the RKE transmitter.
To open the liftgate from outside the vehicle, press the touch pad on the outside liftgate handle.
Manual Operation of the Power Liftgate
With the vehicle in P (Park), turn the liftgate mode switch to OFF and unlock the doors. Press the touch pad under the liftgate handle and pull up on the handle. To close the liftgate, pull down on the pull cup.
See Liftgate.
Test yourself
A quick Cadillac CTS quiz: every answer comes with an explanation and a link to the manual page.