Two problems related to alternator/generator/regulator have been reported for the 2005 Buick Terraza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Buick Terraza based on all problems reported for the 2005 Terraza.
Brakes felt uneasy stopping did not respond right away sometime had to pull a side to prevent accident. Alternator don't start at all and abs light stayed on most of time many repairs done same problem at dealer ship.
: the contact stated the headlights flickered when the vehicle was driven 0-60 mph. When the vehicle was taken to the sales/service dealer, the problem could not be recreated. The voltage regulator was replaced, but the problem continued. The lights failed to remain bright enough to see well at night. The computer programming was reflashed. The vehicle also had an ongoing issue with the starter, sliding door opening by itself when the vehicle was parked or while idling in park. On one occasion, the child passenger fell out of the vehicle when the door opened. There were no injuries sustained. There was a problem with the steering which resulted in the contact side swiping a mailbox post on the side of the road. At a later date when the vehicle was parked in the garage, the vehicle caught on fire. There were no reports taken by the police or fire department. The manufacturer was notified and the service dealer towed the vehicle back to the dealership.
| Electrical System problems | |
| Horn Assembly problems | |
| Alternator/generator/regulator problems | |
| Ignition problems | |
| Ignition Switch problems | |
| Starter problems | |
| Wiring problems | |
| Dash Wiring problems | |
| Battery Dead problems |