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Cadillac OPTIQ

Maintenance specs for 2 variants of the Cadillac OPTIQ — from 2025 to 2026.

20252026 Cadillac OPTIQ

Dual Motor Electric (Ultium) · AWD

300 hp / 354 lb-ft

Transmission

Type1-Speed Direct Drive (Front + Rear)
FluidUltium Drive Unit Fluid

Coolant

TypeDex-Cool EV (orange)
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Power Steering

TypeElectric (no fluid)

Fuel

Tanknull gal
TypeElectric

Tires

Size235/55R19
Pressure (front)38 PSI
Pressure (rear)38 PSI
Shop 235/55R19 tires

Wiper Blades

Driver26"
Passenger18"
Shop wiper blades

Service Intervals

Brake fluid50,000 mi
Cabin filter22,500 mi

20252026 Cadillac OPTIQ

Single Motor Electric (Ultium) · FWD

300 hp / 254 lb-ft

Transmission

Type1-Speed Direct Drive
FluidUltium Drive Unit Fluid

Coolant

TypeDex-Cool EV (orange)
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Power Steering

TypeElectric (no fluid)

Fuel

Tanknull gal
TypeElectric

Tires

Size235/55R19
Pressure (front)38 PSI
Pressure (rear)38 PSI
Shop 235/55R19 tires

Wiper Blades

Driver26"
Passenger18"
Shop wiper blades

Service Intervals

Brake fluid50,000 mi
Cabin filter22,500 mi