1. Press the "Lock" button on the remote key fob to lock your vehicle.
2. Press and hold the "Engine Start/Stop" button on the remote key fob for 3-5 seconds, or until the vehicle's engine starts.
The vehicle's engine will run for 10 minutes, after which it will automatically turn off. If you want to extend the running time, you can press the "Engine Start/Stop" button again before the 10 minutes are up.
Here are some important things to remember when using the remote start system in your 2007 Nissan Altima:
* The remote start system will only work if the vehicle is in "Park" and the parking brake is engaged.
* The remote start system will not work if the vehicle's hood is open.
* The remote start system will not work if the vehicle's fuel tank is low.
* The remote start system will not work if the vehicle's battery is low.
If you have any questions about the remote start system in your 2007 Nissan Altima, please consult your vehicle's owner's manual or contact a Nissan dealer.