See also:

Ignition switch position
LOCK Without the immobilizer The steering wheel locks to protect against theft. The ignition key can be removed only in the LOCK position. When turning the ignition switch to the LOCK position, ...

High Mounted Stop Light
If the light bulb is not operating, have the vehicle checked by an authorized Hyundai dealer. ...

SAFETY
The Elantra has two sets of lower Latch anchors in the second row's outboard seats. While they're buried in the seat cushions, they're not impossible to reach. My younger son, who uses a booster ...