According to GM, all these problems are the result of software gremlins in the HVAC control module. Reprogramming the module with updated software should eliminate the concerns. Check with a dealer ...

Hard reset as in disconnecting the 12-volt battery or replacing the HVAC control module. The number of warranty claims grew to 75 as of September 21st.

Affected components: HVAC control module software. Affected vehicles: 2018 Chevy Equinox Number of affected vehicles: GM did not say how many vehicles are affected by this problem.