Make sure all the wires and connectors are firmly in place.
Also, make sure the feature is turned on in the settings.
Page 4-20 of the owner's manual:
Comfort settings
Models with navigation system
The display illustrated will appear when
pushing the SETTING button, selecting the
“Others” key and then selecting the
“Comfort” key. This key does not appear
on the display until the ignition switch is
pushed to the ON position.
Models without navigation system
The display illustrated will appear when
pushing the SETTING button and selecting
the “Comfort” key. This key does not
appear on the display until the ignition
switch is pushed to the ON position.
Lift Steering Wheel on Exit (if so
equipped):
When this item is turned on, the steering
wheel moves upward for easy exit if the
ignition switch is in the LOCK position and
the driver’s door is opened. After getting
into the vehicle and pushing the ignition
switch to the ACC position, the steering
wheel moves to the previous position.
Slide Driver Seat Back on Exit (if so
equipped):
When this item is turned on, the driver’s
seat moves backward for easy exit if the
ignition switch is in the OFF position and
the driver’s door is opened. After getting
into the vehicle and pushing the ignition
switch to the ACC position, the driver’s seat
moves to the previous position.