See also:

Lubrication oil circulation in the refrigerant circuit
Operate the air conditioner compressor at a low engine speed (at idle or low driving speeds) a few minutes each month during the off-season to circulate its oil. ...

To engage the service mode
Turn the ignition switch to the “ON” position, depress and hold the brake pedal, then press and release the “” button on the remote engine start transmitter three times. The system will pause for 1 se ...

Turbocharged Power
The 2.5-liter four-cylinder engine from last year's WRX really is a hoot to drive, and it's just as strong in the 2009 Impreza 2.5GT. Whether you're cruising around the city or driving on the high ...