Battery
This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY 13 VOLTS.
Your vehicle's charging system regulates voltage based on the state of the battery. The battery voltage may fluctuate when viewing this information on the DIC. This is normal.
See also:
Safety Chains
Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated from the h ...
Retrieve My Number
1. Push . System responds:
“OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...
Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See this manual's
Maintenance Schedule or Index for more information. Things that are especially important
in trailer operation are ...