break in period?

What he said. No need for early oil changes.

I only put my windows down below, oh, 30-35 MPH, when drag won't be a problem.

Post a "Name My Prius" thread and see what you get. We're easily amused. And dirt cheap.

 

Changing the oil early due to "break in" is an old wives tale. Run the oil to the normal oil change interval.

If you wish, search the forum for my user name and Used Oil Analysis. I've posted oil analysis running Mobil 1 0W-30 and Mobil 1 0W-20: this motor is EASY on oil.

FWIW the EU Prius has a 12 month or 16,000km oil change interval, with no early oil change due to "break in." Some EU cars, like the VW Golf with PD diesel motor, have a normal 24 month or 50,000km oil change interval. No reports of them blowing up motors either.

 

If you want to improve fuel economy keep the windows up. Windows down seriously changes the airflow around the car. Even more so on the Prius than with other cars, it's better to use the A/C than to roll down a window. And after an initial cooldown it's better to stay on recirculate (I stay on recirc continuously 'cos I hate to suck in all the Diesel exhaust and other crap from outside).

 

<div class='quotetop'>QUOTE(jayman @ May 8 2006, 10:05 AM) [snapback]251416[/snapback]</div>

I disagree, I have owned 6 Cars/Trucks and 5 motorcycles over the last 15 years. I always change the oil around 500 miles. With my bikes I change it around 75-100 miles. You would not believe the amount of small shavings and filings you will find after your 1st and 2nd oil changs. Here's good read for everyone. You can't use this for the Prius, however its still a good read.
http://www.mototuneusa.com/break_in_secrets.htm

 

Sorry to bump up a really old thread, but what is the reason not to use the cruise control for the first 200 miles of driving?

When I get my Prius I do plan to take it on the long distance trip to Texas, and I use the cruise quite often to save wear on my leg. Course 200 miles is about 3 hours 20 minutes of driving so I would assume after that you could use it then.

I was just curious on that one. Besides, by the time I make the return trip (at 2,400 miles) then the car should be broken in by then.

 

There's no reason not to use the cruise. The only thing the manual says about the break-in period is that it is something like 600 miles long (don't have it in front of me but I think that's right) and that you shouldn't brake hard or slam on the accelerator during that period. Of course, you shouldn't do either of those after the break-in period either.

I started using cruise from the day we picked up our Prius.

 

There's at least one situation in which CC would be harmful during the break-in period: going up a long steep hill, the CC could make the engine race at max RPMs.

 

I just followed what was in the manual. After that I took the engine up higher and higher every few days until I just decided to floor it and see what my baby could do. B) I haven't had any problems so far other than some small stuff not related to the engine.

 

I heard that the manual indicates the following: For the first 200miles--Avoid sudden stops; For the first 600 miles--do not drive at high speeds, avoid sudden acceleration, o not drive at a constant speed for extended periods.

I can guess at most of these, but what is considered high speeds? Is that 45 mph, 70 mph or 100 mph? What is considered constant speed for extended periods? Is that 15 minutes, 2 Hours, or 7 Hours?

 

There's endless debate on the subject. Not more than 60 MPH and not longer than 15 minutes surely cannot possibly cause a problem. The 600 miles will pass quickly.