Conditions for Running the Test

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The following conditions must be met in order to enable the Service Bay Test:

The ignition is ON.
The battery voltage is between 9-18 volts.
The engine coolant temperature (ECT) is less than 70°C (158°F).
The fuel level is 15-85 percent of capacity.
The vehicle speed is less than 4.8 km/h (3 mph).
Stored DTCs have been cleared.