Hyundai Sonata: Smart Key / Start-up

You can start the engine without inserting the key.

NOTICE

To prevent damaging the smart key:

NOTICE

Always have the smart key with you when leaving the vehicle. If the smart key is left near the vehicle, the vehicle battery may be discharged.

Smart Key
Your HYUNDAI uses a Smart Key, which you can use to lock or unlock a door (and trunk) and even start the engine. 1. Door Lock 2. Door Unlock 3. Trunk Open 4. Panic Locking To lock : 1. Close all do ...

Mechanical key
If the Smart Key does not operate normally, you can lock or unlock the door by using the mechanical key. Press and hold the release button (1) and remove the mechanical key (2). Insert the mechanic ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Winter Precautions
Use high quality ethylene glycol coolant Your vehicle is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling system, lubricates the water pump and prevents freezing. Be sure ...

Hyundai Sonata LF 2014-2019 Service Manual: Intake Manifold Repair procedures
Removal and Installation 1. Remove the engine cover. 2. Disconnect the battery negative terminal. 3. Disconnect the engine wiring connector and haness clamp and disconnect the wiring from intake manifold. 4. Disconnect the PCV (Positive crankcase ventilation) hose (A) and the PCSV ( ...

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