What weight and height limits apply to the built-in child restraint in the Uplander?

The built-in child restraint is designed for use only with children who weigh between 22 and 40 lbs (10 and 18 kg) and whose height is between 33.5 and 40 inches (850 and 1,016 mm). The child must also be at least one year old, capable of sitting upright alone, and have shoulders below the shoulder belt slots. Children exceeding these limits should use an appropriate add-on booster seat. (Page 85-86)