Emergency Services require an active, OnStar service plan (excludes Basic Plan). With Automatic Crash Response, built-in sensors can automatically alert a specially trained OnStar Advisor who is immediately connected in to the vehicle to help.
Press
for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and
relay important information.
With OnStar Crisis Assist, specially trained Advisors are available 24 hours a day, 7 days a week, to provide a central point of contact, assistance, and information during a crisis.
With Roadside Assistance, Advisors can locate a nearby service provider to help with a flat tire, a battery jump, or an empty gas tank.
OnStar Services
SecurityValve Rocker Arm Cleaning and Inspection Valvetrain Valve Actuating Assembly Rocker Arms
Inspect the camshaft follower roller-(1) for thefollowing:Flat spotsExcessive scoring and pittingEnsure the roller spins freelyInspect the camshaft follower valve tiparea-(2).Inspect the camshaft follower stationary hydraulic lashadjuster (SHLA) pivot area-(3).Replace the camshaft follower or follow ...