Hi my 2006 touran has started making a funny noise when the engine is running and out of gear..i have a video of the noise but im not even sure if i can post on here i

m a youngish female and ive only been driving a year so dont have any knowledge of cars really i will take the car to the garage on monday but in the mean time just wondered if anyone else has had this problem and is it a major one..thanks for reading