OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar and provide the Advisor with the current number.
See also:
Cooling System
The cooling system allows the engine to maintain the correct working temperature.
A. Engine Cooling Fan (Out of View)
B. Engine Coolant Surge Tank and Pressure Cap
WARNING
An electric engine c ...
Clock (Radio with CD and Touchscreen)
The infotainment system controls
are used to access the time and
date settings through the menu
system. See Overview (Radio with
CD) or Overview
(Radio with CD/DVD and MEM) or Overview (Radi ...
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 ...