Engine Coolant Temperature Gage

This gage shows the engine coolant temperature.
If the gage pointer moves into the red area, the engine coolant has overheated.
If you have been operating your vehicle under normal driving conditions, you should pull off the road, stop your vehicle and turn off the engine as soon as possible.
See also:
Power Steering Fluid
When to Check Power Steering Fluid
It is not necessary to regularly check power
steering fluid unless you suspect there is a leak in
the system or you hear an unusual noise. A
fluid loss in this ...
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...
Using the Directory Command
The directory command lists all of the name tags stored
by the system. To use the directory command:
1. Press and hold for two seconds.
The system
responds with “Ready” followed by a tone. ...
