2013 Hyundai Sonata Owner's Manual - Page 87

Features of your vehicle SMART KEY (IF EQUIPPED) This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation. 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. WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. OYF049211 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. (Refer to the "Remote keyless entry" in this section.) 4 6