Tire chains

Tire chains cannot be used on your Impreza, WRX and STI because of the lack of clearance between the tires and vehicle body.
See also:
Wiper operation when snowing
Before driving in cold weather, make sure the wiper blades are not frozen to the windshield or rear window.
If the front wiper blades are frozen to the windshield, use the defroster with the airflow ...
Wear indicators
1) New tread
2) Worn tread
3) Tread wear indicator
Each tire incorporates a tread wear
indicator, which becomes visible when
the depth of the tread grooves decreases
to 0.063 in (1.6 mm). ...
Immobilizer system
This light blinks approximately 60 seconds after the ignition switch is turned
from “ON” position to the “Acc” or “LOCK” position or immediately after the key
is pulled out. Refer to “Immobilizer” ...
