Vehicle Coolant Circuits
Use only ACDelco Premix (50/50 mixture of de-ionized water and DEX-COOL Coolant). See your dealer.
Applies to: Vehicle Coolant Circuits
Owner’s manual specs
2026 Cadillac Optiq Specs: Fluids & Fuse Box
Figures for the 2026 Cadillac Optiq, copied from Cadillac’s own owner’s manual. Every one links to the manual page it came from.
From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.
Fluids & capacities
Fuse box locations & fuse chart
Instrument Panel Fuse Block
Where to find it
Instrument Panel Fuse Block The instrument panel fuse block is to the right of the glove box.
TURN_RT - Trailer Stop Turn Right F79 REAR_HTD_SEAT1 - Rear Heated Seat 1 F80 FRONT_HTD_SEAT2 - Front Heated Seat 2 F81 - F82 Wash Pump F83 - Instrument Panel Fuse Block The instrument panel fuse block is to the right of the glove box.
Not on this page
- Maintenance schedule: The manual we hold doesn't cover this.
- Oil life & reset procedures: The manual we hold doesn't cover this.
Other Cadillac Optiq years
- 2025
- 2026