Yip, remember to hose the residue away thoroughly into the garden so that it can soak into the ground water system. Or even better, into a stormwater drain so it can be flushed into the nearest river system...BTW, the dirty / greasy / etc. water has to go somewhere, so don't wash the engine / engine compartment whilst the car is standing on a white brick driveway ... at least, not if you have a S.O. ...![]()