You would need to get a tool to remove the notched chrome piece that holds the antenna mast, or carefully use pliers to unscrew it out. After you remove that, the antenna itself is held by a 10mm bolt. to get to it you'll need to open up the trunk lining near the antenna location and remove that bolt. Then, pull the antenna far enough to disconnect the antenna wire and power.
Assuming the antenna motor is still functional, you can then replace the antenna mast with a new one. Or, you can install an aftermarket rubber antenna.
No, the third and fourth generation are a different Chassis.
The 1994 Honda Prelude is best run with 91 octane fuel or higher. The vehicle is designed for use with high octane fuel.
A 1994 Honda Prelude S would not have a VTEC engine in it (assuming it has the original engine in it). It should have the F22A1 in it which is SOHC and Non-VTEC.
Transmission error
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You probably need to get your oil changed?
Should be under dash or on side of the center console.
Approx 2 US qts.
When you open the hood, there should be a panel behind/above the light socket, remove that, unplug the light and check the size of the light find the same size and replace it.
Since the Integra Type R wasn't introduced until 1995, a 2000 Honda Prelude should be faster than a 1994 Acura Integra.