Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
How the System Works
URPA comes on automatically when the shift lever
is moved into R (Reverse). The rear display briefly
illuminates to indicate the system is working.
URPA operates only at speeds less than 8 km/h
...
Sewn-in Safety Belt Comfort Guide
On vehicles with the sewn-in comfort guide, there is one guide for each outboard passenger position in the rear seat.
To install a comfort guide to the safety belt:
1. Remove the guide from its st ...
QuietTuned for silent ride, comfort
Like all other Buick models, Terraza benefits from QuietTuning, a
comprehensive engineering program throughout the entire vehicle to ensure a
silent ride. This includes new engine isolation measur ...