OnStar Protect, 48 months

2LT, 3LT, RS: O; Premier: O (2025 only)

the 2025 lists read OnStar Security - 48 Months of Service

LT, RS: O

O: 400, 600;

O on all trims

the 2020–2024 lists print OnStar Additional 45 months of OnStar Fleet Safety and Security; the 2025 list prints OnStar Security - 48 Months of Service; OnStar Protect is the later product name for these years, and the total is the months in the Description

new for 2019; fleet orders; 2019: sedan O: 1SB, 1SD, 1SH, 1SF; hatch O on all

the 2025 list reads "OnStar Security"; 2026–2027: A in all trims (requires UE1)

fleet; new for 2019

O on all trims; fleet and government order types; the 2025 list names it OnStar Security

the 2025 guides name it OnStar Security, 48 months of service; O: Cargo 1WT, Cutaway 1WT, Cutaway 2WT (2025–2026), Passenger 1LS, Passenger 1LT

all trims: O; requires UE1; US fleet or government order types only

2026–2027: A in all groups; requires UE1

the 2025 lists print "OnStar Security"

the 2025 list prints "OnStar Security" with "Months of Service"; the 2026 list "OnStar Protect"

the 2025 list reads "OnStar Security - 48 Months of Service";

all trims: O; fleet

all trims: O; fleet; new for 2019

2027: O on all trims; the 2025 guide reads OnStar Security, 48 months of service

2027: O on all trims; the 2025 guide reads OnStar Security, 48 months of service

all trims: O; the 2025 guide reads OnStar Security, 48 months of service

2019: every trim but L: O; fleet orders; requires UE1

O on all trims; fleet or government order types (US); the 2025 guide words it as OnStar Security service

all trims: O; requires UE1 and a fleet or government order type; the guide marks it new

all trims: O; the 2025 guide prints it as OnStar Security, 48 months of service