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Ask Chris (aka-Moose) Your Own Question
Chris (aka-Moose)
Chris (aka-Moose), Auto Technician
Category: Toyota
Satisfied Customers: 947
Experience:  16 years of experience
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I just replaced the radio/gps and now I have a message

Customer Question

I just replaced the radio/gps and now I have a message "Check Hybrid System"
JA: Is this an aftermarket stereo, or did it come with the car?
Customer: It is from another Prius
JA: What year is your Prius?
Customer: 2011
JA: Are you fixing your Prius yourself? What have you tried so far?
Customer: Myself...I don't know what to do
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 2 months ago.
Category: Toyota
Expert:  Ted Ritter replied 2 months ago.

Thanks for posting

The 12 volt battery in the trunk may have discharged to where it keeps the system from starting, try to jump start with another car at the access point under the hood in the fuse box. If it starts replace the battery.