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:
Models without HID headlights
NOTE
This vehicle does not contain mercury
devices or parts. ...
Tripped sensor identification
The security indicator light flashes when
the alarm system has been triggered.
Also, the number of flashes indicates the
location of unauthorized intrusion or the
severity of impact on the vehi ...
Entering the vehicle following remote engine start shutdown
An alarm trigger may occur if the vehicle is opened by the remote keyless entry
transmitter within a few seconds immediately following remote engine start shutdown. ...
