One problem related to ignition has been reported for the 1997 Buick Riviera. The most recently reported issues are listed below.
The consumer says that the vehicle began to not start, except after turning the key to start, then wait exactly 3 minutes and it would start each time with no failures. All the power worked except no start or noise and no crank without security read out by the speedometer. The consumer had taken the vehicle to the dealer without out failure and they stated that they started the vehicle 25-30 times with out failure. The dealer removed the dash in order to repair, and it now has a rattle in the dash.