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Old 03-25-2021, 07:05 PM   #1 (permalink)
Cd
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Prius ICE starts after only a few seconds - Gets only 41 MPG

My dads' 2008 Prius' ICE starts after only a few seconds.
He starts in electric, and get around 10 feet before the ICE kicks on.
On a recent trip from Houston to Austin, the car struggled to do 41 MPG.
This was at a smooth 70 MPH and with the A/C set to low.
Tires at " factory 35 / 33 psi "

Surely the car can do better, and I'm wondering if there is some technique he should be using to keep that ICE from coming on so much.

Is the ICE coming on so much a sign of battery problems ?

While we are at it, he is wondering if there is a way to shut off the annoying backup beep.

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