"Regular seatbelts" refers to the conventional safety belts found in vehicles that are used to fasten and secure passengers while traveling in a car. Full definition
It's also worth noting that regular seatbelt use may earn you up to an additional 15 % discount on your medical payments coverage. (carinsurance101.com)
Avoid common car seat mistakes, such as putting harness straps or harness chest clip in the wrong position, not using the LATCH system correctly, taking a child out of his booster seat and putting him into regular seatbelts before he is ready, or letting kids ride in the front seat before they are old enough. (verywellfamily.com)
Most infant car seats can be used with a regular seatbelt in addition to using the seat with the base. (ourfamilyworld.com)