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:
Engine Drive Belt Routing
4.2L V6 Engine
5.3L V8 Engine ...
Starting the Engine
Place the transmission in the proper gear.
Move your shift lever to PARK (P) or
NEUTRAL (N). Your engine will not start
in any other position -- this is a safety feature.
To restart when you a ...
What to Use
Use a mixture of one-half clean, drinkable water
and one-half DEX-COOL® coolant. If you use
this coolant mixture, you do not need to add
anything else.
CAUTION:
Adding only plain water to your ...