Acura 2008 RL Owner's Manual page 122

Multi-Information Display
Interior Light Dimming Time
The interior lights fade out when you
close all doors and the trunk. To
change how long the lights stay on
before they fade out, follow these
instructions:
116
While LIGHTING SETUP is shown
in the CUSTOMIZE GROUP of the
multi-information display, press the
SEL/RESET button. You will see the
above display.
Press the SEL/RESET button. The
screen changes as shown above.
Select how long you want the lights
to stay on before they fade out (60,
30, or 15 seconds) by pressing the
INFO ( / ) button, then press the
SEL/RESET button to enter your
selection.