See also:

Safety
The Sentra received a Good overall rating — the highest possible score — in the Insurance Institute for Highway Safety's frontal-offset and side-impact crash tests. It received the next-best s ...

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNING: ...

Troubleshooting guide
The system should respond correctly to all voice commands without difficulty. If problems are encountered, try the following solutions. Where the solutions are listed by number, try each soluti ...