GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Coolant Recovery Tank


Object Number: 327357  Size: MF
(1)Low Engine Coolant Level Indicator Sensor
Figure 2:

Instrument Panel, Driver Outer Knee Bolster Bracket


Object Number: 327368  Size: MF
(1)Low Engine Coolant Level Indicator Module, 6.5L Only
(2)Park Brake Warning Switch