Checking the Parking Brake
Foot type
Check whether the stroke is within specification when the parking brake pedal is depressed with 44 lb (20 kg, 196 N) of force. Also, the parking brake alone should securely hold the vehicle on a fairly steep grade. If the stroke is more or less than specified, have the parking brake adjusted by an authorized HYUNDAI dealer.
Stroke : 3 notch
Hyundai Sonata LF 2014-2019 Service Manual: Coolant Repair procedures
Replacement And Air Bleeding
Never remove the radiator cap when the engine is hot. Serious
scalding could be caused by hot fluid under high pressure escaping from
the radiator.
When pouring engine coolant, be sure to shut the relay box
lid and ...
Hyundai Sonata LF 2014-2019 Owners Manual: Remote key precautions
The remote key will not work if any of the following occur:
The key is in the ignition switch.
You exceed the operating distance limit (about 90 feet [30 m]).
The remote key battery is weak.
Other vehicles or objects may be blocking the signal.
The weather is extremely cold.
The remote key is ...