OnStar Overview
EmergencyEngine Coolant Temperature Warning Light
This light comes on briefly while
starting the vehicle.
If it does not, have the vehicle serviced by your dealer. If the system is working
normally the indicator light goes off.
Caution
The engine coolant temperature warning light indicates that the
vehicle has overheated. Driving with this ...
Parking
If the vehicle has a manual transmission, before getting out of the vehicle,
move the shift lever into R (Reverse) if parking on a downhill slope. On a level
surface or an uphill slope, use 1 (First) gear.
Firmly apply the parking brake. Turn the wheels toward the curb for a downhill
slope, o ...
Engine Overheating
The vehicle has an indicator to warn of the engine overheating. See Engine Coolant
Temperature Warning Light on page 5-18.
If the decision is made not to lift the hood when this warning appears, get service
help right away. See Roadside Assistance Program on page 13-5.
If the decision is made ...