What is the battery model for a Buick car key?
3 Answers
The battery model is CR2032. It is a lithium manganese dioxide battery, named according to the IEC standard. Among them: C- indicates a chemical battery system with lithium metal as the negative electrode and manganese dioxide as the positive electrode; R- indicates that the battery is cylindrical in shape, with F used as a substitute if it is square; 20 indicates the battery diameter is 20mm; 32 represents the battery height is 3.2mm. The nominal voltage is 3.0V, the endpoint voltage is 2.0V, and the rated capacity is approximately 200mAh. CR2032 typically has a lifespan of 5 years. If the manufacturer's production level is low or quality control is poor, its lifespan will be significantly shortened. Domestic first-tier brand batteries can generally guarantee this lifespan. Under ideal usage conditions (sealed, room temperature, no moisture, etc.), the lifespan can be further extended to 8 years or even 10 years. The usage time of a car remote key battery is closely related to the frequency of use. The more frequently it is used, the shorter the lifespan will be. If the remote key battery runs out, you can directly use the mechanical key to open and start the vehicle. The batteries used in car remote keys are button batteries, mainly including models: CR2016, CR2025, CR2032, and CR2450. For the specific model used in each key, owners can refer to the battery model in the user manual for replacement. Button-type CR2016 battery: The usage rate of car key remotes is very high, making it one of the most common car remote batteries. The voltage of this battery is 3V, while most car key batteries are powered by 9V, so all three batteries need to be replaced each time. Examples include Guangben, Toyota, Volkswagen, Mazda, etc. CR2016 specifications: battery diameter is 20mm, thickness is 1.6mm. Button-type CR2025 battery: Its usage rate is much lower than CR2016. However, some car keys still use it. It is thicker than the 2016 model but has a relatively higher storage capacity. CR2025 specifications: battery diameter is 20mm, thickness is 2.5mm. This type of battery is also commonly used in audio remotes. Button battery CR2032: Its thickness is twice that of CR2016. The 3V-CR2032 lithium-manganese battery belongs to the lithium-manganese dioxide structure. The positive electrode material is chemically stable manganese dioxide, the negative electrode material is metallic lithium, and the electrolyte is a lithium battery. The main components of the electrolyte are dimethoxyethane, propylene carbonate, and lithium perchlorate. It is shaped like a button, hence the name button lithium battery or lithium-manganese button battery. Button battery CR2450: Compared to the other three models, it is thicker and larger, with a diameter of 24.5mm and a height of 5.0mm. The rated current value of CR2450 is 0.2mA, mainly used in low-power electronic products. Generally, the battery can provide an output current of 0.001mA to 5mA, with a continuous output current of up to 15mA and a flash output current of up to 30mA, meeting the requirements of most small electronic products for light emission, sound production, and RF output.
The battery model for Buick car keys is mainly CR2032. From my younger days driving Buick cars to now, I've replaced the key battery countless times, always with this type of coin cell battery. It's readily available at electronics stores or supermarkets and is quite affordable, costing just over ten yuan for a pack. Replacing it is extremely simple: use a coin or a thin tool to gently pry open the key shell, being careful not to apply too much force to avoid damaging the plastic parts. After removing the old battery, remember to place the new CR2032 with the positive side facing up. In terms of models, most Buick cars like the LaCrosse and Encore use this battery, though older models might differ slightly. The battery typically lasts 1-2 years; if the remote range shortens or the buttons become unresponsive, it's time for a replacement. I recommend keeping a spare on hand to avoid being stranded if the car door won't open.
The battery model for Buick vehicle keys is generally CR2032. As an ordinary car owner with an Envision at home, my wife often encounters remote control issues, which I resolved by replacing the battery myself. The whole process is not difficult at all, saving the time and hassle of queuing at a 4S shop. The battery can be purchased online or at a convenience store in just a minute or two, at a low cost. The CR2032 size is standard, and the key shell is designed to be user-friendly, easily opened with a gentle pry. It's important to buy original or quality-guaranteed brands to avoid malfunctions caused by inferior products. Keeping the key in a dry place can extend the battery life, especially during rainy or snowy days when it's even more important to check. Such minor maintenance can save a lot of trouble and also teach family members to do it together.
