There is a manual release behind the rear seat, fold the seat down to find it, than have someone push the trunk release button. If this dose not work it may be broken.
The owner's manual for a 2002 Chevrolet Impala can be found at a number of locations. Online is a great place to start, but in person one could find the manual at a local Chevrolet dealer.
The maximum speed of the 1960 Chevrolet Impala wagon is 100 mph.
The repair manual for a 1962 Impala may be found at the internet site Chilton DIY under 1962 Chevrolet Impala Repair Manual Online. This manual will contain all the information needed to repair or service a 1962 Impala.
Can be downloaded for free at www.devicemanuals.com
Look in your owners manual and it will tell you.
Your owners manual will have all the info you need to do that.
The best thing you can do is to look in your owner's manual.
1000 lbs max, according to the owner's manual.
You need to purchase a Haynes Manual that is specific to your car.
Haynes repair manual Chevrolet Impala SS, Caprice models 1991-1996 chapter 6
As per the intructions on page 6-39 of your "Owner's Manual"...
They will be on the underside of the spare tire cover and also in the owner's manual.