What do these mean?

The Warranty & Maintenance Guide (PDF) gives Toyota’s recommendations for maintenance through 120,000 miles; after that, you can repeat the cycle.

These are not maintenance tasks recommended by Toyota. They sell chemicals for cleaning these parts, but with a clear disclaimer that they should be used “ONLY when it has been diagnosed that the vehicle actually requires service per the conditions described.” Dealers are free to offer the service to anyone who will pay, however. Both of these were done recently (“INDUCTION/THROTTLE BODY SERVICE PERFORMED”), and there’s no need to do them again, though I’m sure the dealer would be grateful for your support of their business.

Toyota doesn’t mention it in the U.S. Guide, but in Europe and Canada, they suggest replacing the brake fluid every two or three years. The fluid accumulates moisture and contamination over time, and eventually this can affect braking performance. If it’s never been changed, this is reasonable to do now.

Toyota recommends replacing the coolant in the engine at 100,000 miles/120 months and the coolant in the inverter at 150,000 miles/180 months, and then both every 50,000 miles/60 months.

I’d ask the dealer to be sure—I suppose “SERVICE” could mean they just check the level and admire the pink color—but there are two separate cooling systems, one for the inverter and another for the engine.

Toyota recommends replacing the spark plugs at 120,000 miles/144 months; if this hasn’t already been done at least once, it’s reasonable to do now.

Under normal operating conditions, there is no Toyota-recommended replacement interval for the automatic transmission fluid, but especially if it’s never been changed, it’s reasonable to do now.

The engine oil and oil filter should be replaced at least once every 10,000 miles/12 months, of course.

 

There's no mention of the EGR system. I'd recommend you look around this site, and learn about how the EGR system clogs up over time, potentially leading to very serious problems.

 

What do these mean?

1. THROTTLE BODY AND MAF SENSOR (HYBRID)
2. BRAKE FLUID EXCHANGE
3. HYBRID INVERTER COOLANT SERVICE
4. REPLACE 3RD GEN HYBRID SPARK PLUGS WITH MAJOR SERVICE
5. W/S TRANS DRAIN AND REFILL (PRIUS OR W/DIPSTICK)
6. FUEL INDUCTION SERVICE
7. COOLANT FLUID EXCHANGE

It means that dealer thought you looked like a big $$ ATM machine.........

 

This all means dealers think this is an electric vehicle, no oil changes listed.

 

2345 yes. Last one redundant. I felt like I needed to straighten my bowtie and puke at the same time for 6....

 

I like how they sub "exchange" for "change".

 

The answer to that is, yes, there is a difference.
First, they should drain and replace BOTH. I don’t know what “Service” means.

Second, the Prius has Engine coolant, like most normal engines, and it has a separate inverter coolant loop and pump. So it’s good they’re willing to do both.

You can do ALL of these maintenance tasks yourself by following the NutzAboutBolts maintenance videos.