2009 Subaru Outback Owner's Manual - Page 177

3-54 Instruments and controls to the "Acc" or "LOCK" position. If deicing is not complete, you have to push the button to turn the deicer on again. If you wish, you can set the windshield wiper deicer for continuous operation. . Vehicle with genuine SUBARU navigation system: The windshield wiper deicer setting can be changed for continuous operation by means of the monitor. For details, please refer to the Owner's Manual supplement for the monitor system. The setting can also be changed by a SUBARU dealer. Contact the nearest SUBARU dealer for details. . Vehicle without genuine SUBARU navigation system: The setting can also be changed by a SUBARU dealer. Contact the nearest SUBARU dealer for details. Once the windshield wiper deicer has been set for continuous operation, pressing the button results in continuous operation. The windshield wiper deicer automatically stops operating if any one of the following conditions occurs during continuous operation. . The outside temperature becomes 418F (58C) or higher. . The vehicle speed remains less than 9 mph (15 km/h) for 15 minutes. . The battery voltage decreases below the permissible level. Rear window defogger button CAUTION To prevent the battery from being discharged, do not operate the windshield wiper deicer continuously for any longer than necessary. Vehicle with manual climate control system