Hyundai 2009 Sonata - Manual (Page 199)

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WHAT TO DO IN AN EMERGENCY
IF YOU LOSE YOUR KEYS
D120A01A-AAT
If you lose your keys, many Hyundai
dealers can make you a new key if you
have your key number.
If you lock the keys inside your car and you
cannot obtain a new key, many Hyundai
dealers can use special tools to open the
door for you.