1996 GMC Jimmy Owner's Manual - Page 103

Front Map Lamps (Option) If your vehicle has optional front map lamps, they are located on the inside rearview mirror. They will automatically come on for approximately 20 seconds when either front door is opened or unlocked with the Keyless Entry System, if so equipped, oruntil the ignition key is turned to RUN or ACCESSORY. The lamps will also stay on for approximately 15 seconds after you exit the vehicle. They will also stay on for 15 seconds when the INT LIGHTS switch on the instrument panel is turned on then off, while the ignition is off. Don1e Lamps The rear dome lamp has a switch that lets you turn it on from the rear of the vehicle. You can also turn the lamps on and off by pressing the switch near each lamp. Press the side of the switch with the lamp symbol to turn on the front and rear dome lamps. Pressing the other side of the switch will turn the cargo area dome lamp off, even when the endgate and doors are open. 2-46