Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
To Mute a call
1. Press 
. The system responds
with “Ready”
followed by a tone.
2. Say “Mute Call”. The system responds with “Call muted”.
To Cancel Mute
1. Press . The system responds
with “Ready”
followed by a tone.
2. After the tone, say “Mute Call”. The system responds with “Resuming call”.
See also:
OnStar Mobile App
With an iPhone® or
Android™-based mobile device, an
OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there ...
Brake Fluid
The brake master cylinder and, on manual transmission vehicles, the clutch hydraulic
system use the same reservoir. See Engine Compartment Overview for the location
of the reservoir. The r ...
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 ...