Different vehicles require different crossbar systems.
Choosing the right crossbar for your vehicle starts with understanding your
roof type. Even cars of the same make, model, and year can have different roof styles,
so just seeing your car's name in the product title is not enough—you also need
to check if your roof type is compatible. The majority of vehicles roofs fall
into one of the categories below:

These type of roof rails run parallel to the doors. Raised
rails has a gap between the roof and the rail where you can slide your hand in.