Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.
See also:
Safety
Eight airbags are standard, with two more optional. Antilock brakes and an
electronic stability system are standard. Options include adaptive cruise
control with forward collision warning, lane de ...
Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP
This message displays when the engine coolant becomes hotter than the normal
operating temperature. To avoid added strain on a hot engine, the air
conditioning com ...
Interior
The ESV's extended dimensions don't yield significant gains for first- or
second-row occupants, but third-row passengers gain nearly 10 inches of legroom.
Cargo volume behind the third row increas ...