Cadillac Vistiq 2026 — technical service bulletin
Bulletin 662.30 · NHTSA communication 11036482 · issued Aug 24, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
1
vehicle entries
Official summary
• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics • Improves traction and stability control when accelerating or on uneven terrain • Improves braking and stopping performance on low-traction surfaces • Improves the performance of assisted braking • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving performance • Additional protection for battery health and prevention for battery drain • Improved accuracy for driver display messages • Be
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.