One problem related to software has been reported for the 2018 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Buick Lacrosse based on all problems reported for the 2018 Lacrosse.
2018 Buick Lacrosse. Consumer writes in regards to vehicle shutting off suddenly. The consumer stated the battery was replaced, but the failure recurred. The dealer updated the software , but could not guarantee the failure would not recur.
| Electrical System problems | |
| Software problems |