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I've never owned a Lexus or any Smark Key, push button start vehicle...
What is the average 'real life' battery time for our Smart Keys?

I know that manuals tend to exagerrate a bit. I think it said every 1-2 yrs is recommended... but even those keyless remote entry ones say that, and my previous vehicle with the keyless remote lasted over 6 yrs (never changed it). I understand keyless entry and smart keys are two whole different things...just sayin' recommendations seem exagerrated.
 

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I've never owned a Lexus or any Smark Key, push button start vehicle...
What is the average 'real life' battery time for our Smart Keys?

I know that manuals tend to exagerrate a bit. I think it said every 1-2 yrs is recommended... but even those keyless remote entry ones say that, and my previous vehicle with the keyless remote lasted over 6 yrs (never changed it). I understand keyless entry and smart keys are two whole different things...just sayin' recommendations seem exagerrated.
The wifes, on her last Prius, lasted over 5 years.
 

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My Prius is over 6 years old. I've replaced the batteries in the fob 1 time in each of the keys.
 
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