NISSAN 2012 Altima Sedan - Owner's Manual - Manual (Page 402)

Rear combination light
To access the bulbs in the rear combination light:
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1 Remove the fasteners. Carefully push back
the carpet.
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2 Remove the 2 nuts and pull out the rear
combination light.
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3 Rotate the bulb(s) counterclockwise and
pull out to remove:
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A Turn signal light
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B Sidemarker light
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C Tail/stop light
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D Backup light
WDI0635
Maintenance and do-it-yourself 8-35