User Manual Electrolux ZUP3822P Vacuum Cleaner

According to Consumer Reports, vacuum cleaners last a median of eight years

Insert the hose (to remove it, press the release buttons and pull the hose out). Insert the hose into the hose handle until the catches click to engage (press the catches to release the hose).
Attach the telescopic tube to the hose handle (to  remove it, press the release button and pull the hose  handle out). 
Adjust the telescopic tube by holding the lock and pull  the handle with the other hand. 
Pull out the power cord and plug it into the mains.

Clean the hose by “squeezing“ it. However, be careful in case the obstruction has been  caused by glass or needles caught inside the hose.