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:
2011 GMC Acadia Review
As many SUVs have evolved into what some folks call crossovers, they have
also morphed from utilitarian, truck-like vehicles into more luxurious ones.
Some dedicated luxury brands have entered the ...
Shifting In or Out of Neutral
1. With the vehicle running and the engine at an idle, set the parking brake.
2. Place the transmission into N (Neutral).
Shift the transfer case in one continuous motion into or out of the N (Neutr ...
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS warning light alerts you to a significant loss in pressure of one of the vehicle's tires. If the warning light comes on, stop a ...