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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2025 Cadillac OptiqCoolant Type & Capacity
OEM spec from the factory service manual for the Luxury variant.
Quick Answer
Coolant Type
ACDelco Premix 50/50 mixture of de-ionized water and DEX-COOL Coolant
Capacity
9.62 QTS.
9.1 L
Variant
Luxury
This vehicle's factory manual
2025 Cadillac Optiq: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Other specs:All specs
What You'll Need
Related for Your 2025 Cadillac Optiq
Frequently Asked Questions
- What type of coolant does a 2025 Cadillac Optiq take?
- The 2025 Cadillac Optiq requires ACDelco Premix 50/50 mixture of de-ionized water and DEX-COOL Coolant. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Luxury configuration.
- How much coolant does a 2025 Cadillac Optiq hold?
- The 2025 Cadillac Optiq cooling system capacity is 9.62 QTS. (9.1 L).
- Can I use universal coolant in my 2025 Cadillac Optiq?
- It is strongly recommended to use coolant that meets the ACDelco Premix 50/50 mixture of de-ionized water and DEX-COOL Coolant specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
- What happens if I use the wrong coolant in my 2025 Cadillac Optiq?
- Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.