See also:

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...

If steam is coming from the engine compartment
Turn off the engine and get everyone away from the vehicle until it cools down. ...

Remote engine start system (dealer option)
- Do not remote start a vehicle in an enclosed environment (e.g., in a closed garage). Prolonged operation of a motor vehicle in an enclosed environment can cause a harmful build-up of C ...