The label on the car key can be dissolved with a little alcohol. Don't put too much alcohol, it will still damage the paint on the car keys. If the car sticks to the car glass, you can blow it with a hair dryer, heat the car sticker and take it off.

In addition, the residual glue on the car body can be sprayed with asphalt cleaner and wiped clean with a wet cloth later. If it's a car key, just spray some alcohol and wipe it off with a paper towel.

Extended data:

Don't use cleaner on the glass that has been coated, because some chemicals may damage the car film. In this case, you can wipe the logo repeatedly with a towel dipped in a small amount of oil cleaning agent, but never spray the oil cleaning agent directly on the glass.

If you wipe the car body with a strong acidic chemical cleaning agent, it will damage the car film. If you buy a new car key, you will have a label on it. If you accidentally lose the owner's key, you can take the label to the 4S store and get one for free. It is still the original standard.

In addition, the label on the key is a string of QR codes. Scanning the QR code can display the relevant data of the key, and the staff can give the owner an identical car key, and pay attention to keeping the QR code on the key when purchasing.