See also:

Variable voltage control system (if so equipped)
CAUTION ● Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. ● ...

Troubleshooting guide
The system should respond correctly to all voice commands without difficulty. If problems are encountered, follow the solutions given in this guide for the appropriate error. Where the solutions ...

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. ● Incoming call—adjusting this setting allows you to hear a difference in volu ...