My son is almost 3 and weighs 35 Pounds, Is it safe to move him into the graco turbobooster seat?
4 years AND 40lbs is the bare minimum for booster with vehicle seat belt.
. Forward facing harnessed seats are outgrown when a child reaches the weight limit, or more commonly when the child’s shoulders are above the top harness slots.
If the child is 4 years AND 40lbs, then he may move to a booster with vehicle lap shoulder belt seatbelt. If not, then the child needs a larger FF harnessed seat. There are many seats that harness to 55-80lbs. Some are the Britax Marathon, Decathalon, Boulevard, Frontier and Regent; the Sunshine Kids Radian; the Evenflo Triumph ADVANCE; the Graco Nautilus and the Cosco/Safety First Apex.
The Alpha Omega 3-in-1 seats only harness to 40lbs and most 40lb weight limit seats are outgrown before a child is mature enough for a booster seat. They also have very low top harness slots, so are outgrown by height at around 2 or 3 years old.
A child should ride in a booster with vehicle lap/shoulder belt until he or she reaches approximately 4′9″ (around age 12) and then can move to just the adult seatbelt if he passes the 5 step test and the seatbelt fits him correctly.