2010 Toyota Tundra Regular Cab Owners Manual - Page 1184

3-6. Using the interior lights Interior lights list Your Toyota is equipped with an illuminated entry system to assist in entering the vehicle. Due to the function of the system, the lights shown in the following illustration automatically turn on/off according to whether the doors are locked/unlocked, whether the doors are opened/closed, and the engine switch position. Outer foot lights (if equipped) Personal/interior lights (→P. 444) Engine switch light (if equipped) Foot well lighting (if equipped) Cargo lamp (→P. 446) 442