13
I   USING THE LATCH 
SYSTEM. If your car 
has “lower universal 
anchorage systems 
(UAS)”, you can install the 
infant car seat using the 
LATCH system instructions on page 
14. The anchor is a bar located where 
the seat back meets the seat bottom 
(slide your hand down between the 
seat back and seat bottom to locate 
this bar).
   Important! Also read your vehicle 
manual for locating lower anchors 
UAS and instructions on using the 
LATCH system.
II   USING THE STANDARD LAP BELT/
SHOULDER STRAP. If your car does 
not have universal lower anchors 
UAS, install the infant car seat using 
the instructions for lap/shoulder belt 
straps on page 17.
When using Primo Viaggio Sip with its base, first you install the base, and 
then you install the car seat on the base.
Important! Read your vehicle manual for instructions on where to best install an 
Infant car seat in your vehicle.
There are two ways to install the base: 
Installing the Base