See also:

Sonar system (if so equipped)
- The sonar system is a convenience but it is not a substitute for proper parking. Always look around and check that it is safe to do so before parking. Always move slowly. - Read and u ...

System operation
The automatic drive positioner system will not work or will stop operating under the following conditions: - When the vehicle speed is above 4 MPH (7 km/h). - When any of the memory switches a ...

Going & Stopping
Base Altimas have a 2.5-liter four-cylinder engine that makes 175 horsepower (170 hp in states that have adopted California's emissions rules). A 270-hp, 3.5-liter V-6 is optional. A six-speed man ...