See also:

Adding equipment to or modifying your air bag-equipped vehicle
If you modify your vehicle by changing your vehicle's frame, bumper system, front end or side sheet metal or ride height, this may affect the operation of your vehicle's air bag system. ...

To Check the Oil Level
Before checking the oil, warm up the engine to the normal operating temperature and be sure it is parked on level ground. Turn the engine off. Wait five minutes, then remove the dipstick, wipe it ...

SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
Hyundai's commitment to making the Hyundai Sonata extremely fuel efficient continues with a six-speed automatic transmission with SHIFTRONIC manual control or a standard six-speed manual transaxle ...