2013 Acura TL Owner's Manual - Page 227

Interior Lights Keyless Access Remote Slot Light On models with Keyless Access System Set the vehicle mode to VEHICLE OFF (LOCK). Remove the keyless access remote from the keyless access remote slot. After all doors are closed tightly, the light dims slightly, then fades out in about 30 seconds (depending on the interior light dimming timer setting). The light turns off before 30 seconds have elapsed if you lock the driver's door. Instruments and Controls LIGHTS Your vehicle has a keyless access remote slot light. The light comes on when you: Open any door. 2013 TL 223