Volkswagen Golf GTI 2016, Owner'S Manual, Page: 697 / 1341

Fig. 120 In the front center armrest: Storage compartment.
Please first read and note the introductory information and
heed the WARNINGS →
Introduction
Depending on equipment, your vehicle may have a storage
compartment under the front center armrest.
To open, push the release button (small arrow) and lift the center
armrest up as far as it will go in the direction of the large arrow
→ Fig. 120 .
To close, push the center armrest down.