The knob for this feature is located on the left side of the instrument panel.
Push the knob in to turn on the interior lights.
Turn the knob clockwise to brighten the lights or counterclockwise to dim them. During the day, this knob will adjust the instrument panel brightness and at night will adjust all interior lighting.
Be sure not to have this knob turned all the way down with the lamps on during the day. Your Driver Information Center (DIC) may not be visible.