I need help on my Chevy HHR 2007 power steering?

[anas a]

i was driving my car then i read power steering sign showed on my display then the power steering went off.
i drove my car for five minutes then i stopped and started the engine it was operated properly. this happens for me twice and trying to check the fluid of the steering i didnt find where the whole power steering is found.

 

[kmp1171]

HHR has electric power steering if its cutting out need to take to dealer if under warrenty. if not take to good shop