The recall of nearly 22,000 Cadillac Lyriq SUVs due to a software defect that may cause a loss of braking ability is likely to negatively impact GM's stock price in the short term. The recall affects a significant number of vehicles and involves a critical safety issue, which could lead to negative investor sentiment. However, the fact that no injuries or fatalities have been reported and that the issue will be addressed via a software update may mitigate some of the negative impact.