1.Carry the smart key or place it inside the vehicle.
2.Make sure the parking brake is firmly applied
3.Place the shift lever in P (Park). Depress the brake pedal fully. You can also start the engine when the shift lever is in the N (Neutral) position.
4.Press the engine start/stop button while depressing the brake pedal.
5.Do not wait for the engine to warm up while the vehicle remains stationary. Start driving at moderate engine speeds. (Steep accelerating and decelerating should be avoided.)
WARNING - Unintended vehicle movement
Never leave the smart key in the vehicle with children or vehicle occupants who are unfamiliar with the vehicle operation. Pushing the engine start/stop button while the smart key is in the vehicle may result in unintended engine activation and/or unintended vehicle movement.

Do not press the ENGINE START/ STOP button for more than 10 seconds except when the stop lamp fuse is blown.
Kia Stinger (CK) 2018-2023 Owner's Manual: Seat Heater Switch
Components and components location Components Front Seat Switch 1. Driver side seat heater switch 2. Passenger side seat heater switch Rear Seat Switch 1. Rear seat heater switch (LH/RH) Description and operation Description Heater Seat Smart Control Technology • To prevent low temperature burn, seat heater temperature will automatically be lowered after a certain period of time.Kia Stinger (CK) 2018-2023 Owner's Manual: ISG (Idle Stop and Go) system
Your vehicle may be equipped with the ISG system, which reduces fuel consumption by automatically shutting down the engine, when the vehicle is at a standstill. (For example : red light, stop sign and traffic jam) The engine starts automatically as soon as the starting conditions are met. The ISG system is ON whenever the engine is running. ✽ NOTICE When the engine automatically starts by the ISG system, some warning lights (ABS, ESC, ESC OFF, EPS or Parking brake warning light) may turn on for a few seconds.