GM Service Manual Online
For 1990-2009 cars only

United States


Object Number: 2040820  Size: G7

Canada


Object Number: 2040815  Size: G7

This mark on the tachometer signifies that the engine is in Auto Stop mode which is a fuel saving operation.

When the vehicle is off, the tachometer needle moves to OFF. If the driver's door is opened while in Auto Stop, a chime sounds.