Always set the parking brake before leaving the vehicle, to apply:
Firmly depress the brake pedal.
Depress the parking brake pedal down as far as possible.
WARNING
To reduce the risk of SERIOUS INJURY or DEATH, do not operate the parking brake while the vehicle is moving except in an emergency situation. It could damage the brake system and lead to an accident.
To release:
Firmly depress the brake pedal.
Depress the parking brake pedal down and it will release automatically.
If the parking brake does not release or does not release all the way, have your vehicle checked by an authorized HYUNDAI dealer.
WARNING
NOTICE
Check the Parking Brake Warning Light by placing the ignition switch to the ON position (do not start the engine).
This light will be illuminated when the parking brake is applied with the ignition switch in the START or ON position.
Before driving, be sure the parking brake is released and the Brake Warning Light is OFF.
If the Parking Brake Warning Light remains on after the parking brake is released while engine is running, there may be a malfunction in the brake system. Immediate attention is necessary.
If at all possible, cease driving the vehicle immediately. If that is not possible, use extreme caution while operating the vehicle and only continue to drive the vehicle until you can reach a safe location.
Hyundai Sonata LF 2014-2019 Service Manual: Tire Repair procedures
•
Using tires and wheel other than the recommended sizes could
cause unusual handling characteristics and poor vehicle control,
resulting in a serious accident.
Tire Wear
1.
Measure the tread depth of the tires.
Tread depth [limit] : 1.6 mm (0.0630 in.)
...
Hyundai Sonata LF 2014-2019 Service Manual: Windshield Deicer Switch Repair procedures
Inspection
1.
The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).
The diagnostic system (GDS) provides the following information.
(1)
Self diagnosis : Checking the failure code (DTC) and display
(2)
Current data : Checking the system inpu ...