My first Caddy, a few questions...

Hello,
Just brought home my first Cadillac, an '89 Fleetwood with 58K miles on it. Bought it for $2500, and I think I got a pretty good deal, as it
just had a new set of tires, hoses and serpentine belt installed. Everything seems to work perfectly, there's only a few paint dings and a small tear on the passenger side armrest vinyl.
What sort of mechanical troubles particular to Cadillacs should I be on the lookout for, if any? Other than regular maintenance, do I need to get this into the dealer for service any sooner than the 90k mile mark?
Can I get replacement Gold Keys? These have the coating almost worn off. I've got the knockout plugs, still taped to the inside cover of the owner's manual. Any idea how much I'm gonna get charged for them?
The paint could use a good washing & waxing. Any recomendations as to a decent brand of polish, or will anything off the shelf do?
Are those plastic boots connecting the taillights to the fender gonna rot out like every other old Caddy I've seen? What will increase their lifespan?
Also, any other tips or useful links would be appreciated!
Thanks much...
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A very important service tip is if you do a drain and refill of the coolant be sure the sealant "pills" are added. The Cadillac dealer has them for +/- $5. They are required due to the aluminum block which may be porous allowing coolant into the oil pan if not treated with the pills.
When you mention dealer service I'm assuming you mean other than the normal lube, oil and filter. There are probably other items to check, oil, wheel rotation type chores. The Owner's Book will give you a list of chores.
The keys shouldn't be too pricy. Later years with the anti theft feature can carry a hefty price as keys go.
Wax..... Any brand you like.
Enjoy.
--
Don
Vancouver, USA
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