See also:

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

Removal and Installation of the Sealant Canister
To remove the sealant canister: 1. Remove the plastic cover. 2. Unscrew the connector (B) from the canister (A). 3. Pull up on the canister (A) to remove it. 4. Replace with a new canister which ...

Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circui ...