Draining the gas pipe (CNG; 2007): Notes
NOTE:
As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.
WARNING:
Take care when working with gas, there is a risk of explosion.
CAUTION:
Before any work with the gas installation, the gas pipe must be emptied. The negative battery cable must then be disconnected. See Battery, disconnecting . See also Safety precautions .