See also:

Smart key functions
Carrying the smart key, you may lock and unlock the vehicle doors. Also, you may start the engine. Refer to the following, for more details. ...

Evaporative Emission Control (Including ORVR: Onboard Refueling Vapor Recovery) System
The Evaporative Emission Control System is designed to prevent fuel vapors from escaping into the atmosphere. (The ORVR system is designed to allow the vapors from the fuel tank to be loaded into ...

Safety
The Hyundai Sonata is one of only two cars on the market to have received both a Top Safety Pick designation from the Insurance Institute for Highway Safety and a five-star overall safety rating f ...