How to Replace the Key Fob Battery in a Cadillac VISTIQ

1. Press the button on the side of the remote key near the bottom.
2. Pull the mechanical key out of the remote key, never without pressing the button.

• Replace the battery if the Driver Information Center displays REPLACE BATTERY IN KEY.
• The battery is not rechargeable; use the correct battery type and do not touch the circuitry.
• The provided pages cover only the first step; the remaining steps and reassembly continue on the next page.

Source: 2026 Cadillac VISTIQ owner's manual, PDF page 12. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.