Power Lumbar
Your vehicle has power lumbar on the driver’s and front passenger’s seats.

The seatback lumbar support can be adjusted by moving the control located on the outboard side of the seat cushions.
To increase or decrease support, hold the control forward or rearward.
Keep in mind that as your seating position changes, as it may during long trips, so should the position of your lumbar support. Adjust the seat as needed.
See also:
Overview
Buick has rekindled a name from its storied 20th-century past to mark the
beginning of a new level of refinement: Super. The badge is designated
exclusively for Buick's most premium, powerful mode ...
Reading Lamps
There are front and rear reading
lamps.
The front reading lamps are located
in the overhead console.
The rear reading lamps are located
in the headliner.
or
: Press to turn each lamp
...
Interior
The cabin utilizes premium materials, and there is an optional navigation
system.
The Regal has a sizable trunk that measures 14.3 cubic feet, and there is a
wide opening to both the cargo area ...
