When to Check and Change AutomaticTransmission Fluid
A good time to check your automatic transmission fluid level is when the engine oil is changed.
Change the fluid and filter at the intervals listed in Additional Required Services on page 482, and be sure to use the transmission fluid listed in Recommended Fluids and Lubricants on page 489.
See also:
Control of a Vehicle
The following three systems help to control the vehicle while driving — brakes, steering, and accelerator. At times, as when driving on snow or ice, it is easy to ask more of those control systems t ...
Automatic Transmission Shift Lock
The vehicle has an automatic transmission shift lock control system. The shift
lock control system is designed to:
. Prevent ignition key removal unless the shift lever is in P (Park).
. Prevent m ...
Your Responsibility
Increase the volume of the radio if the OnStar advisor
cannot be heard.
If the light next to the OnStar buttons is red, the system
may not be functioning properly. Press
and request
a vehicle ...