Chevrolet Silverado: Keys, Doors, and Windows / Doors
The rear door safety locks prevent passengers from opening the rear doors from
inside the vehicle.
The safety lock is on the inside edge of the rear doors...
Other information:
Premium unleaded gasoline meeting ASTM specification D4814 with a posted octane
rating of 93 — (R+M)/2 — is highly recommended for best performance and fuel economy.
Unleaded gasoline with an octane rated as low as 87 can be used. Using unleaded
gasoline rated below 93 octane, however, will lead to reduced acceleration and fuel
economy...
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This light should come on briefly when the vehicle is turned on...
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If equipped with power door locks.
: Press to lock the doors.
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