OnStar Basics, deleted (OnStar Fleet Basics for Fleet)

O on all trims; the guides print this code with another meaning in a second entry (next row); for vehicles shipped to Puerto Rico, the Virgin Islands or Guam; the 2026–2027 guides word it "Removes"

O on all trims; second entry for the code, another meaning from the Basics removal above, removing the 3-year R9M plan and its Super Cruise term; 2025 wording: Deleted 3 Years of OnStar Digital Services

Preferred, Sport Touring, Avenir: O; the 2025 guide words it "Deleted OnStar Basics"; the code has a second meaning in 2026–2027 (next row)

Avenir: O; another meaning of this code in 2026–2027 (previous row)

2027: all trims: O; requires UE1; only for vehicles shipped to Puerto Rico, the Virgin Islands or Guam; from 2026 the code has another meaning in the next row

2027: Avenir: O; requires UE1 and R9M; another meaning of R9L than the row above; the 2026–2027 RPO code lists print only the first R9L reading

all trims: O; deletes OnStar standard services on vehicles shipped to Puerto Rico, the Virgin Islands or Guam; the 2026 list also gives this code another reading: removing the 3 years of OnStar One (next row)

Avenir: O; removes the 3 years of OnStar One (R9M) and the Super Cruise upgrade version; required on vehicles shipped to Puerto Rico, the Virgin Islands or Guam; the 2026 list gives this code another reading as well (the OnStar Basics deletion above); the 2025 list has only the Basics reading