Interior light

Do not use the interior lights for extended periods when the engine is not running. It may cause battery discharge.

See also:

Checking the amount of air conditioner refrigerant and compressor lubricant
When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative impact on the air conditioning system. Therefore, if abnormal operation i ...

WORLD CLASS POWER-TO-WEIGHT RATIO
One of the program targets for the 2011 Sonata engineering team was world-class power-to-weight ratio. Power-to-weight ratio pays dividends in both performance and fuel economy. Hyundai Sonata i ...

Exhaust Emission Control System
The Exhaust Emission Control System is a highly effective system which controls exhaust emissions while maintaining good vehicle performace. ...