Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, if it is equipped with automatic door locks, and can help police locate the vehicle if it is stolen.
See also:
How to Check Automatic Transmission Fluid
Because this operation can be a little difficult, it may be best to have this done at the dealer service department.
If not taken to the dealer, be sure to follow all the instructions here or a false ...
Fuel Gauge
Metric
English
When the ignition is on, the fuel gauge shows about how much fuel is left in the fuel tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on.
The ...
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...