See also:

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

Illuminated engine start/stop button
Whenever the front door is opened, the engine start/stop button will illuminate for your convenience. The light will go off after about 30 seconds when the door is closed. ...

OVERALL DIMENSIONS
The all-new Hyundai Elantra rides on a 106.3-inch wheelbase, just two-inches longer than the previous generation. Its overall length has increased by 0.9 inches to 178.3 inches, with the 69.9-inch ...