2. In order to avoid danger. During this period, if the battery is powered many times, loaded heavily and used for a long time, its service life may be shorter. Many batteries in new cars last for 3-4 years;
3, but after a replacement, it must be replaced again in about 2 years. The battery needs regular maintenance. If the power supply is poor, do not use the power supply on the car before starting the car, such as electric air pump, stereo, warning light, electric window, etc. Don't turn off the engine and start it again immediately after starting the car.
How long will the battery last? Under normal circumstances, the service life of ordinary remote control keys is generally 2-3 years, depending on the actual use times. Different models are different. The specific replacement time is difficult to determine. You can change the battery in advance, and you don't need to change it if it is dead.
Generally, the battery life of remote control keys is 2-3 years, depending on the number of uses, and there are differences among different models, so it is difficult to determine the specific replacement time. Don't worry if there is no electricity. Generally, there are spare mechanical keys in the remote control keys, and some buttons will pop up automatically when pressed. Some need to press the hide button to open the back cover and take it out.