How to Replace the Battery in a Buick LaCrosse Car Key

1 Answers
LaSpencer
07/30/25 1:31am
To replace the battery in a Buick LaCrosse car key, follow these steps: 1. Press the button on the side of the smart key to release the mechanical key; 2. Use a tool to pry open the smart key, remove the old battery, and insert the new battery, ensuring the positive side faces up; 3. Reattach the smart key cover and insert the mechanical key back into place. The LaCrosse is a vehicle produced by SAIC-GM Buick, with dimensions of 5026mm in length, 1866mm in width, and 1459mm in height, and a wheelbase of 2905mm. The car is equipped with 11 intelligent driving assistance features, including PD pedestrian detection, LKA lane keeping, ACC adaptive cruise control, and CMB collision mitigation.
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