I put the Prado in for its 130k service yesterday and forgot to take the Car DVR out. Out of curiosity I've just had a quick look at the recordings 
08:00 Dropped the car off
12:00 Taken for 4 minute test drive then into service bay and bonnet lifted
12:10 Put up on hoist for 5 minutes
12:30 Bonnet closed
13:12 Taken out of bay and parked (ignition off)
13:15 Taken for 5 minute test drive and parked
13:20 Into car wash and washed for 10 minutes then parked (ignition off)
14:50 Moved back and forward a few times then parked (ignition off)
15:30 Moved into bay and up on hoist
15:40 Down from hoist then parked ready for collection (ignition off)
So in summary, for my $329 they worked on it for an hour and a quarter, then took it for a 5 minute drive and spent 10 minutes washing it, then spent 10 minutes trying to work out why it ticked going round corners (auto Locker).
No real surprise but it was interesting to see
Does this make me Big Brother?
08:00 Dropped the car off
12:00 Taken for 4 minute test drive then into service bay and bonnet lifted
12:10 Put up on hoist for 5 minutes
12:30 Bonnet closed
13:12 Taken out of bay and parked (ignition off)
13:15 Taken for 5 minute test drive and parked
13:20 Into car wash and washed for 10 minutes then parked (ignition off)
14:50 Moved back and forward a few times then parked (ignition off)
15:30 Moved into bay and up on hoist
15:40 Down from hoist then parked ready for collection (ignition off)
So in summary, for my $329 they worked on it for an hour and a quarter, then took it for a 5 minute drive and spent 10 minutes washing it, then spent 10 minutes trying to work out why it ticked going round corners (auto Locker).
No real surprise but it was interesting to see

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