Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to add a sunroof to your car [title] Choose a type of sunroof to install. [step] There are a number of different options in aftermarket sunroofs. You will need to decide on a type of sunroof in order to establish the dimensions you want and the budget you have to work with.

Ending1: For example, you may opt for a raised roof if the area beneath it is adequately insulated. Or you may opt for a circular sunroof if the area extends beyond the ground. Ending2: There are cast iron or aluminum sunroofs, modern fiberglass sunroofs, and even bond birdhouses. Consider the different materials from which you'll install your model. Ending3: The most popular sunroof options include : [substeps] Garage roof-you can install a garage roof on your car if your car has a roof. Place the sunroof onto the roof and attach it to your car using a bolt. Ending4: Pop up sunroofs are often the least expensive, while fully automatic sunroofs usually cost the most. [substeps] Pop up sunroofs cannot slide open.

Answer format: ending1/ending2/ending3/ending4