Opel ZAFIRA 2017 Owner's Manual page 42

40 Seats, restraints
Seat inclination
Lever pumping motion
up : front end higher
down : front end lower
Lumbar support
Adjust lumbar support using the four-
way switch to suit personal
requirements.
Moving support up and down: push
switch up or down.
Increasing and decreasing support:
push switch forwards or backwards.
Adjustable thigh support
Pull the lever and slide the thigh
support.