Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to choose a monitor for satellite tv reception in your car [title] Select a backseat headrest monitor if you want to mount and permanently install units within the headrests. [step] This format will provide multiple monitors in your car for each passenger in the back seats. Backseat headrest monitors tend to be smaller and usually do not include the option of a dvd player, which is installed separately in a different region of the car.

Ending1: [title] Go for the overhead, flip-down monitor if you want to install the unit within the ceiling of your car. [step] The design allows you to fold them away when they are not in use. Ending2: The car window panel is located behind the front window and comes from a metal handle. The handle rests under the headrest and allows you to select multiple monitor views. Ending3: [substeps] Furthermore, they may remove other equipment, like a computer mouse and keyboard, as they can interfere with reception. [title] Choose a couch or stand if you want to have seating. Ending4: [title] Use a wide screen monitor if you are driving on a congested interstate. [step] Open the front door and take one of the identical monitors out.

Answer format: ending1/ending2/ending3/ending4