See also:

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 ...

Booster seat installation
CAUTION Do not use the lap/shoulder belt in the Automatic Locking Retractor mode when using a booster seat with the seat belts. Refer to all Warnings and Cautions in the “Child Safety”, “Ch ...

Advanced Safety Systems, A Variety of Models and Packages
The 2009 Frontier includes a long list of safety equipment, including Zone Body construction with front and rear crumple zones, Nissan Advanced Air Bag System (which includes dual-stage front supp ...