Hyundai Sonata: Smart key - Features of your vehicleHyundai Sonata: Smart key

With a smart key, you can lock or unlock a door (and trunk) and even start the

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.)

Immobilizer system
Your vehicle is equipped with an electronic engine immobilizer system to reduce the risk of unauthorized vehicle use. Your immobilizer system is comprised of a small transponder in the ignition key ...

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. Locking Using the door handle switch Pressing ...

See also:

Light bulbs
WARNING - Working on the lights Prior to working on the light, firmly apply the parking brake, ensure that the ignition switch is turned to the LOCK position and turn off the lights to avoid sudd ...

RADIO : FM, AM OR XM Changing RADIO mode (FM, AM or XM)
Press the key to change the mode in order of FM1➟FM2➟ AM➟XM1➟XM2➟XM3. When the power is off, press the key to turn on the audio system and receive rad ...

Battery recharging
Your vehicle has a maintenance-free, calcium-based battery. If the battery becomes discharged in a short time (because, for example, the headlights or interior lights were left on while the veh ...