GMC 2009 Sierra - Manual (Page 369)

Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 3047
Center High-Mounted
Stoplight (CHMSL),
Cargo Lamp
912
Front Turn Signal Lamp,
Sidemarker Lamp and
Parking Lamp
3157A
High-Beam Headlamp 9005
Low-Beam Headlamp H11
License Plate Lamp 168
Rear Turn Signal Lamp,
Taillamp, and Stoplamp
3047
Sidemarker Lamp 194
For replacement bulbs not listed here, contact
your dealer/retailer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected for wear
or cracking. See Scheduled Maintenance on page 6-4.
Replacement blades come in different types and
are removed in different ways. To replace the wiper
blade assembly, do the following:
1. Pull the windshield wiper arm connector away
from the windshield.
2. Squeeze the grooved areas on each side of the
blade, and rotate the blade assembly away from
the arm connector.
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