That is your dash guage light dimmer. If you roll it all the way to the brightest setting, then click it once more, it will turn on your dome lights and third brake light. Try rolling it the opposite direction and see if that turns them off. Thanks man haha. Reply Like. 09-12-2015, 09:58 AM. # 4. The two rear LED round ceiling lights are selectable by pressing them, as pressing them turns them on and off, when the vehicle is running of course. 2019 Grand Cherokee Trailhawk 5.7. Grand Cherokee owner since 1994. 2004 Chrysler Concorde - Chrysler LH owner since 2000. Both Dome lights will not turn off. They stay on all the time until the battery saver relay turns them off once the truck ignition has been off for quite some time. The entire time i drive they stay on. The panel dim switch is not in the possition that turns the dome light on. And when i unplug the panel dim switch the dome light still stays on 2006 Ford Fusion SE, Traveled approx 40 miles & turned the car off, when re-entered to turn car on-nothing (won't turn over) but the front parking lights stay on & no way of shutting them off unless b … Top Answer. There are four ways that the interior lights will come on in the 2020 Ford Expedition. First, open any door, this will turn the courtesy and door lamps on, You can turn this function off by bushing the door light button on the overhead console. Next, if You push any of the buttons on the key fob the interior lights come on. Passenger side is usually the first door handle to stop responding, not the driver door. Lights turning off/not turning on when the vehicle is off, and the passenger side handle not unlocking on Lariat are often signs of a low 12V battery (not hybrid battery) SoC, a common issue on these hybrids. Might want to get your battery tested. My interior lights (the two lights on the rear view mirror) won't turn off after about 20 seconds--as they're supposed to--when you get out and close the door. They'll stay on for 20 minutes until the computer shuts them down. This will ruin my battery eventually. Yes, I've checked the mirror pushbuttons are 'down', so the lights are supposed Interior Lights wont go off on my 1998 Ford Expedition My 1998 Ford Expedition has about 140,000 miles and I too have a problem with the "door ajar" light staying on and forcing the interior lights to stay on. cBsq.