See also:

Why didn’t my air bag go off in a collision? (Inflation and non-inflation conditions of the air bag)
There are many types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, second or third collisions in multiple impact accidents, ...

Exhaust pipe and muffler
Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration, or damage. Start the engine and listen carefully for any exhaust gas leakage. Tighten connections or replace part ...

SEAT BELTS-Front Passenger and Rear Seat 3-Point System with Combination Locking Retractor : To Fasten Your Belt
Combination retractor type seat belts are installed in the rear seat outboard and center positions to help accommodate the installation of child restraint systems. Hyundai strongly recommends that ...