Visiting Detroit... need some advice?

Travel Info
I'll be visiting Detroit next week for a few days. I've been told by many people there're some nasty neighborhoods that I should stay away. Any idea which neighborhoods they might be?? I'm Canadian, so I'll cross over from Sarnia. Will be staying in the Roseville area, and I just need to go to the Woodward/Mack area (metro Detroit) for a few hours each day. Yes, I'll be driving, any recommendations on safe areas to park? Inputs will be greatly appreciated! THANKS so much!!!

Travel Tips

If you will be at Mack & Woodward during the day, it is well worth the expense to park in an off-street lot. Detroit parking tickets cost a fortune. You should be fine (safe) in that area during the day it is near the Medical Center and the Red Cross, so there will be lots of activity.

If you are looking for a good spot for lunch, go a few blocks north on Woodward and have lunch at Union Street (great food).

If you are driving in from Roseville, chances are you will want to take I-94 West to I-375 South, take the Mack Ave exit off of I-375. Go about 4 blocks West and you will be at Woodward. If you are driving at off peak (non rush hour) times, your travel time should be about 25 minutes max.

Others
Got in and out alive.
Not a very interesting city, so I didn't do any of the tourist stuff. Just stayed in my hotel room and surfed online. Thanks for your advises! I managed to just stay on track with I-94, got out at Mack turning to the good part of the city.

RUN!!!!!!!!
I found some important data here, Do check:
http://www.city-data.com/forum/detroit/9...
You can ask Qs there from locals who will guide you.

It says:
No city has public transportation in MI - we are the car capital after all

Royal Oak or Ferndale fulfills all the above, Royal Oak is the better of the two but more pricey, Ferndale is the cheaper little sister. Warren is just a piece of suburbia, with a lot of older folks or families, Royal Oak and Ferndale has the singles, and downtowns. No "great" bike trails, but you can find them in nearby cities and most of Royal Oak will have sidewalks to ride on.

The other cities ,Warren, you listed are not the greatest, safest places to be, with exception of Madison Hts but its a small non-descript city. Downtown Royal Oak (south of 11 mile, north of 696) has one of the few concentrated downtowns in our urban sprawl that is metro Detroit.
Try to pay the 10 bucks to park in a lot...i tried to save money on parking last year, and my jeep liberty got broken into.

You will be fine in rosevile.
Well my best advice when parking would be to hide everything! (i know oner person who got his window busted out and they took two empty pop cans and some loose change). The best spots to park are company parking (fox theater, etc.) lots and not the public or grass lots. the second best spot is in parking garages that are lice looking and have security guards.

Usually if you stay in well populated and in downtown you should be fine.

Also don't sit around in your car. Get in and leave.

Detroit has the same problem as many big towns that often causes problems like this.