Fluid · Coolant
Coolant
for 2026 Cadillac Lyriq Dual Motor AWD · AWD
Fluid Type
Dex-Cool 50/50 premix
Spec: GM 19432307
Capacity
18qt
17.03 L
Drain & Refill
16 qt
15.14 L
Change Interval
150,000 mi
241,350 km
Notes
Battery thermal management system and drive unit cooling loop combined. First service 150k miles, then every 5 years/150k miles.
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