Engine Coolant: Concentration
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Use the SUBARU Super Coolant with a 50 - 60 % concentration in order to obtain maximum anti-freeze and anti-rust performance.
NOTE:
To adjust the concentration of SUBARU Super Coolant according to temperature, find the proper SUBARU Super Coolant concentration from the table below, and add dilution water to the SUBARU Super Coolant (concentrated type) until it reaches the proper dilution.
| SUBARU Super Coolant concentration | 50% | 55% | 60% |
| Freezing temperature | -36°C (-33°F) | -41°C (-42°F) | -50°C (-58°F) |