See also:

Traffic Options (US and Canada)
Read the following Options descriptions to understand how the XM NavTraffic™ operates. ...

Recommended Fuel
Use premium unleaded gasoline with a posted octane rating of 91 or higher. You can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's acceleration could be slig ...

Turning the System On or Off
VOL/ (Volume/Power): Press to turn the system on and off ...