Sequence of Flow Chart

[bigsam]

This question is quite simple for you pros. Using a sequence of operations as a highly detailed flow chart,what symbol should I use first when changing a flat tire? I must start by making sure the engine is turned off. Can a decision symbol come before an input symbol?
I am trying to write a flow chart for changing a tire.
I am using Turbo Pascal.

 

[carp]

Yes, it can start with a decision.
This is logically the same as saying "Can a program start with an IF statement?".