Seats and Restraints 2-43If an airbag inflates, you will need toreplace airbag system parts. Seeyour dealer/retailer for service.If the airbag readiness light stays onafter the vehicle is started or comeson when you are driving, the airbagsystem may not work properly.Have the vehicle serviced rightaway. See Airbag Readiness Lighton page 4‑18 for more information.Child RestraintsOlder ChildrenOlder children who have outgrownbooster seats should wear thevehicle's safety belts.The manufacturer's instructions thatcome with the booster seat, statethe weight and height limitations forthat booster. Use a booster seatwith a lap-shoulder belt until thechild passes the below fit test:. Sit all the way back on the seat.Do the knees bend at the seatedge? If yes, continue. If no,return to the booster seat.. Buckle the lap-shoulder belt.Does the shoulder belt rest onthe shoulder? If yes, continue.If no, try using the rear safetybelt comfort guide. See “RearSafety Belt Comfort Guides”under Lap-Shoulder Belt onpage 2‑22 for more information.If the shoulder belt still does notrest on the shoulder, then returnto the booster seat.. Does the lap belt fit low andsnug on the hips, touching thethighs? If yes, continue. If no,return to the booster seat.. Can proper safety belt fit bemaintained for the length of thetrip? If yes, continue. If no,return to the booster seat.