See also:

Engine START/STOP button
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 immediately when the engine start ...

SOLID RIDE WITH POWER TO SPARE AND EXCELLENT FUEL ECONOMY
In terms of driving characteristics, the Optima is very much in keeping with the Hyundai Sonata, which shares the same platform. The cabin is quiet and the drive is smooth, with the Optima feeling ...

Warnings and indicators
Warning lights / audible indicators Checking operation All warning lights are checked by turning the ignition switch ON (do not start the engine). Any light that does not illuminate should be che ...