GMC 2007 Envoy - Manual (Page 435)

License Plate Lamp
To replace one of these bulbs, do the following:
1. Remove the two screws holding the
license plate lamp lens.
2. Pull the lens away from the lamp assembly.
3. Pull the old bulb straight out from the
bulb socket.
4. Install the new bulb.
5. Replace the lamp assembly lens and tighten
the screws.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamps 3157
Front Sidemarker Lamps 194
Front Turn Signal Lamps 3457
License Plate Lamp W5W
Halogen Headlamps
High-Beam 9005 HB3
Low-Beam 9006 HB4
Rear Turn Signal, Stoplamp,
and Taillamp
3057
For replacement bulbs not listed here, contact
your dealer.
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