This article contains the Quick Start Guide for the UV540 Series Shark® Navigator® Lift-Away®. This supports the following product SKUs UV540 and UV541CCO.
On the bottom of your box, you should see the model number near the bar code.
The main body of the vacuum (back of the unit) should have a rating label that features your model number.
Your product's model number is listed on the front cover of your instruction booklet.