The car will be fine. Next time you get a chance when you can get safely under the car do so and admire the substantial protection the underbody has.

Be sure you use a shop that lifts these cars properly though to prevent damage to the lift areas which can compromise the underbody anti-corrosion protection and give corrosion a place to start.

Lifting properly among other things requires teh lifting points be protected from marring by using something between the lift pad and the lift point.

Whenever the temperature was above freezing, I'd treat the underside of my car to a rinse. Nothing fancy just a good rinsing to flush away any salt/grit/sand and such.

Of course wait a while for the engine/exhaust to cool down and afterwards drive the car to dry the brakes.

The only thing that can suffer from the exposure to salt it the exhaust system fasteners which can corrode so you may want to check these every once in a while (every year?) and replace any that are showing signs of getting nasty looking.

Oh, there's a chance the coils may suffer some but these are relatively easy to replace and they may not suffer from premature failure anyway.

Sincerely,

Macster.

 

I drove my car on salty roads when I lived in Indiana. I just made sure to wash it frequently, including frequent sprays of the underside of the car.

Here in Colorado they use gravel. Lots and lots of gravel. I don't worry as much about corrosion, but I've had to replace my pitted windshield. I guess there are tradeoffs...

 

Just hope they don't use magnesuim chloride in your area. They use it here in Arizona (yes, it snows here in the northern part of the state), the stuff is nasty. It contains an adhesive to help it stick to the road - and your car! The Dept of Trans here in AZ recommends that you wash your car often, not just rinse off, the underside especially.

I agree with the above comment - nuts, bolts and fasteners take a beating after a couple of years of winter driving. The stuff also plays havoc with the rubber trim.

 

I didn't drive my first 2 Porsches in the winter, but I decided to drive and enjoy my current Porsche.So far I've done 3 round trip(280mi.)ski days to the White Mtns. and feel good about using my 911 regardless of the conditions.

 

What's the point of a car you don't drive? They made tens of thousands of 996/997s and the prices are always going down. When you wear one out, go get another one. All of my cars see all seasons and my '03 Infiniti with 122k miles has barely even seen the inside of a garage and the undercarriage looks fine.

 

Do not underestimate the damage caused by liquid deicers. Magnesium chloride and various similar cocktails work year round corroding...the re-liquify in high humidity! Their specialty is creeping up wires into connectors and dissolving them. If you see a truck spraying the roads in your area prior to a winter storm than your neighborhood has this stuff. Many cities in Colorado--Aspen etc have banned the stuff.
I like sand.

 

Sorry-the thought of driving my car in all that salt and gravel blots out any joy I would have driving it.

 

So I sucked it up and drove it today. 49 degrees and salt was slightly better (that is, off of some of the roads) but I ended up with a fine film of salt-grime on the windshield and front of car.

So I park outside 'cause I'm late for a meeting and come back with a cup of water and rag in hand to at least clean the windshield, and I'm treated to a flock of birds that apparently all suffered the same gastrointestinal illness, at once, over my car. Salt-grime was the least of my issues, and I was thankful I had the water/rag to clean off the bird's souvenirs.

Needless to say, it got washed tonight upon returning home, so no bird droppings, no salt, no grime.

Done. And it was nice to drive today.