Interior lighting is one of the essential car features, and it makes the vehicle safer for passengers. But if the lights won’t turn off, it presents security issues to the car and drains your battery. The cost will vary based on location and car model but expect to spend $50-$100 at a specialized workshop. The interior lights of your car require less amount of power than the main ignition. This is why the interior lights can turn on even with a dead or almost dead battery. But the lights require a certain amount of power from the battery, lack of which will not let you turn the lights on. There have been a few issues with the Ford F-150 cabin Philips LED Bulb Kit for Ford C-MAX MK2 - Ultinon Pro9100 +350% £ 143. 91; Rear LED Turn Signal pack for Ford C-MAX MK2 £ 34. 11; Original Xenon bulb for Ford C-MAX MK2 £ 31. 41; Rear LED fog lights pack for Ford C-MAX MK2 £ 13. 41; High Power LED Conversion Kit for Ford C-MAX MK2 £ 107. 91; Front LED Turn Signal Pack for Ford C-MAX MK2 £ Step Three. After you have inspected the door switches and the door light switch, start the vehicle and run it for few minutes. Following the standard procedure, turn the key off and remove the car from the ignition state. Furthermore, you need to open and shut each door after this drive. 1. The control knob is activated. Most interior automobile light shutoffs may be traced back to one thing: a turned-on control knob. This is probably why the dome light remains lit up inside your car. One of the switches on your vehicle is probably locked in the “on” position if you are unable to turn it off. To start, locate the light switch panel on the ceiling above the driver’s side door. This is where you’ll find the switches for all of the interior lights in your vehicle. 2. Locate the switch labeled “Dome Light” and flip it to the “Off” position. This will turn off all of the overhead lights in your Explorer. 3. The interior light in this car is different to previous ones ive had, in that there is only 2 options - on or off. The on button manually turns the light on and off, while the off button deactivates it completely. Unless the off button has been pressed (button illuminates), the interior light is set to activate on unlocking/opening a door. I had a similar issue on my Ford F250 - for at least 2 minutes the interior lights were not shutting off after closing the doors. Turns out I had turned the dash dimming dial all the way up until it clicks - didn't realize that's Ford's (non-standard!) way of turning on all the interior lights. 45 people found this helpful. Interior lights wont come on. I have a 2012 F250 and am having a problem where the interior lights wont come on with the dash switch or when the doors are opened. I have confirmed that it is not a bad fuse, also the lights will come on when the switch on the individual lights is manually pushed, but not automatically like they are supposed to. Ford flex won't start, and the dash lights and head lights are fast flickering. 11,000 miles. It drained the battery. Finally got it to stop, then the interior lights wouldn't turn off. … zg0hiyP.