Reverse gear failures in the manual transmission models are common.Google+
Car Problem Reports
Volkswagen Corrado Reverse Gear Failures and Noise in Manual Transmission Models are Common
Volkswagen Corrado Problem
Drive Train Affected: Manual Transmission
Visitor, 1992 Volkswagen Corrado, Manual Transmission, 130,000 mi
Gear shift will not go into reverse, it goes into first instead. Found under the hood where the gear shift cable ends and meets the gear shift linkage there is a broken plastic square el piece that needs to be changed but I don't know the name of it to order it or where to order it from.