Hyundai Sonata: Opening the hood

WARNING
Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) position for automatic transaxle and to the 1st(First) gear or R(Reverse) for manual transaxle, and setting the parking brake.

2. Go to the front of the vehicle, raise the hood slightly, pull the secondary latch (1) inside of the hood center and lift the hood (2).
3. Raise the hood. It will raise completely by itself after it has been raised about halfway.
Hood
...
Closing the hood
1. Before closing the hood, check the following:
All filler caps in engine compartment must be correctly installed.
Gloves, rags or any other combustible material must be removed from the
eng ...
See also:
Troubleshooting
Troubleshooting
Symption
Suspect area
Remedy
Engine misfire with abnormal internal lower engine noises.
Worn crankshaft bearings
Lo ...
Seat belt precautions
WARNING
All occupants of the vehicle must wear their seat belts at all times. Seat
belts and child restraints reduce the risk of serious or fatal injuries for all
occupants in the event of a coll ...
Theft-alarm stage
The alarm will be activated if any of the following occurs while the system is
armed.
A door is opened without using the transmitter (or smart key or mechanical
key).
The trunk is opened wi ...
