Graco 4EVER 4-IN-1 CAR SEAT Instruction Manual page 100

Identify Your Seat Belt Type
There are two different types of vehicle seat belts that can be used with this car seat:
Lap/Shoulder Belt
3 connections points. Can be used in
all car seats modes of use.
The following types of vehicle seat belts CANNOT
be used safely with this car seat:
Lap Belt with Motorized
Shoulder Belt
2 connection points. Can ONLY be
used in harness mode.
Lap Belt or Shoulder
Belt Mounted on Door
100
Lap Belt Only
Belts Forward of the
Seat Bight
Some vehicles you may
not get a secure fit. Read
both your vehicle and car
seat manuals.