See also:

Troubleshooting guide
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SE-R and SE-R Spec V
The Sentra SE-R and SE-R Spec V are sporty variants with a 2.5-liter four-cylinder. The SE-R is built for mainstream consumers who want a sportier feel; the Spec V is geared toward the enthusiast ...

Unlocking doors
1. Press the button on the Intelligent Key. 2. The hazard warning lights flash once. 3. Press the button again within 5 seconds to unlock all doors. All doors will be locked automatically ...