One problem related to electrical system has been reported for the 2003 Buick Park Avenue. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Buick Park Avenue based on all problems reported for the 2003 Park Avenue.
In san diego union paper dated 10/28/2015, there is a recall on gm cars having the 3. 8 liter engine. It involves vehicles having this engine. The problem is intake manifold leaking oil. This was found by the smog station. Joseph l. Julich.
| Horn Assembly problems | |
| Instrument Panel problems | |
| Electrical System problems |