See also:

Advanced supplemental restraint (Airbag) sustem (SRS)
Your Hyundai is equipped with an advanced Supplemental Restraint (Airbag) System. The indications of the system's presence are the letters "SRS AIRBAG" embossed on the airbag pad cover ...

Keys
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Smart key
With a smart key, you can lock or unlock a door (and trunk) and even start the engine without inserting the key. The functions of buttons on a smart key are similar to the remote keyless entry. ...