See also:

Fuel octane rating
This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Using a gasoline with a lower octane rating can cause p ...

Check the fluid level monthly.
1. Drive the vehicle several miles to raise the temperature of the transmission fluid up to normal operating temperature; 158 to 1768F (70 to 808C) is normal. 2. Park the vehicle on a level surface ...

Safety
As of this writing, the all-new Impreza hasn't been crash-tested. The WRX retains its Top Safety Pick designation from the Insurance Institute for Highway safety, having earned top scores of Good ...