It was part of an option package
The 1989 Buick Park Avenue does not come with a remote keyless entry. The keyless remote entry was not available till 1997.
It depends on model. XLE model comes usually with keyless entry LE only sometimes.
Yes, some of the 1996 Dodge 1500s did come with keyless entry. It was not standard equipment.
No, keyless entry was an extra-cost option.
Mine did not
Yes, it does. You can buy keyless entry online (may or may not come with instructions) or buy one from the dealership and they will program it to your car on the spot.
Mine did.
nopo
My 1999 has it, so likely yes it was available in 2001
Ford / Lincoln / Mercury vehicles and some older Nissans.
Yes, And if you need one they are $180.00 at your GM dealer.
It all depends on which package that you buy if you buy the convenience package it usually comes with keyless entry. I got a forenza s so mine did not come with keyless entry but I plan on getting it soon. You can usually tell if it does or not by looking at the drivers side lock there is a red light next to it that blinks