[javaleo]

First check the interior light dimmer switch / dial. It could be set to off.

Second fuses. The Map lights have two fuses. One for the button and one for the interior lights. See wiring diagram below:

 

[javaleo]

You do know that the lights for the buttons and the button functions are on different circuits. So different fuses. The function for the truck release button has two fuses. F 27 and F 11 in the Body control Module. F27 is for the logic for the Remote Function Actuator and F 11 is it's power (mini computer) While the light for the button is F12 in the Body Control Module