Had I been the Model S owner going to a car shop I was unfamiliar with, I'd have probably made a joke when dropping off my car and quoted Days Of Thunder: 'If you bend this bitch, I'll tear your balls off.' Then smiled sweetly while giving the evil eye. That pretty much would have gotten the message across without causing anyone to get their hackles up.
In a sense, I did... I talked to two individuals prior to leaving my car there. Both conversations were pretty basic, but I asked if they felt comfortable doing a basic job on a Tesla... and that there were lift points to use, and not to worry about resetting TPMS (and also if they were ok with Tesla paying the bill). I believe both people I spoke with (one was the manager, the other seems to be assistant manager) were understanding to my concerns and assured me all would be fine. I don't think either of them would have floored it on the test drive, but the issue is sometimes messages aren't shared amongst staff. I was relieved that in the video someone did tell the mechanic/driver to go easy ("easy, easy" I think were the words) at the onset of the test drive.
One item I had not mentioned before, is that I asked Tesla Service during our email exchange about this, if there were any special instructions to lifting the car (knowing from TMC that there were). While they responded to other items in that email, nothing was mentioned about the lift points. I haven't looked, but I suspect they indeed are in the manual, and some would say the owner should know all items in the manual. Be that as it may, when Tesla suggested taking it to any garage, it would have been nice if they provided the warning about the lift points. Honestly, I have no idea if mechanics are always on the lookout for lift points or not? Maybe they are and Tesla assumed lifting the car wouldn't be an issue.
It is unfortunate that the mechanic had to face consequences. For what it is worth, I never once said anything similar to "that mechanic is an idiot / he should be fired"... the discipline he faced was at the discretion of the manager, and as mentioned up thread, perhaps there were other prior issues. If ever I have to deal with a garage again (and given Tesla is a long ways away still, there is a chance I will), I will try to remember to explicitly mention that valet mode is active and request no high speed attempts if a test drive is needed. Also, while I don't feel having the dash cam recording is wrong (and I couldn't find much local law about the issue just now), I will make a point of mentioning it as well.
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To you and OP, any tips of what to get and how to get it installed? Obviously you've done a slick job that a stack of mechanics wouldn't even notice it.
As I now have one, I haven't kept current on dash cam offerings, but mine is a Blackvue 500GW. Installing it is very easy. It comes with a long detachable cord (12V/cigarette adapter on the far end). It comes with double sided tape, so it is just a matter of sticking the unit to the windshield. I have mine pretty much right behind/under the rear view mirror (but still quite visible, it isn't covert by any means). Then you just run the cord up and along the headliner at the top of the glass. In the Model S, I couldn't poke it behind the headliner (it may be possible, just that it wasn't easy so I moved on), so I just used tape to secure it.. it isn't invisible, but also isn't an eye sore. Then around the door pillar it is easy to tuck in under gaps/behind weather stripping. Basically, you continue on poking it behind gaps and whatnot to keep it out of the way. I have it plug into a "12V socket expander" (can't think of a better term), which I have sitting under the passengers seat, so I have another 12V outlet available as well. As previously mentioned, there are devices and wires you can connect to that allows recording even when the power is off. If you had a dash cam that also had a rear camera, I could see that being more relevant for parking lot hit and runs, but as I only have it pointed forward, if I was hit in the back, there wouldn't be anything captured, so I haven't bothered.