Your HYUNDAI uses a remote key, which you can use to lock or unlock a door (and tailgate) and even start the engine. 1. Door Lock 2. Door Unlock 3.
You can check the tyre pressure in the Assist mode on the cluster. Refer to the "LCD Display Modes" in chapter 3. Tyre pressure is displayed after a few minutes of driving after initial engine start up. If tyre pressure is not displayed when the vehicle is stopped, "Drive to display" message will appear.
Check your tyres, including the spare tyre, once a month or more. How to check Use a good quality tyre pressure gauge to check tyre pressure. You can not tell if your tyres are properly inflated simply by looking at them. Radial tyres may look properly inflated when they are under-inflated.