Glow plug, status
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
On: Glow plug activated.
Off: Glow plug not activated.
In status 1 the glow plug is on. In status 2 the glow plug is switched off when a flame is detected. Other statuses the glow plug is off.