I have to unlock the car before starting engine?

[WeeYari]

Originally Posted by bronsin

Then spray engine cleaner all over the engine and wash it off with a hose.

Originally Posted by 47_MasoN_47

Why would you spray engine cleaner all over the engine?

You'd be amazed how many less-informed people do exactly that.

And yeah, many a mechanic will tell you a lot of electrical problems trace back to aftermarket starter installs.