GMC Vehicle Sierra 3500 HD

Remove the two rear lamp assembly screws.

Pull the rear lamp assembly outward and rearward away from the box side to remove it from the vehicle.

Turn the bulb socket counterclockwise.

Pull the bulb straight out from the socket.

Reverse Steps 1–5 to reinstall.

Was the taillamp replaced successfully?

Sign off on the taillamp replacement

Warning: Read and follow all safety instructions on the label of cleaners before use. Open doors and windows for proper ventilation.

Caution: Immediately remove cleaners, hand lotions, sunscreen, and insect repellent from all interior surfaces or permanent damage may result.

Caution: Use cleaners specifically designed for the surfaces being cleaned to prevent permanent damage. Apply all cleaners directly to a cleaning cloth. Do not spray cleaners on any switches or controls.

Caution: To prevent damage, never use a razor or any other sharp object to remove soil from any interior surface. Never use a brush with stiff bristles. Never rub any surface aggressively or with too much pressure. Do not get any exposed electrical components wet.

Caution: Do not use laundry detergents or dishwashing soaps with degreasers. Do not use solutions that contain strong or caustic soap. Do not heavily saturate the upholstery when cleaning.

Caution: Do not use solvents or cleaners containing solvents. Do not use disinfecting wipes that are scented or contain bleach. Do not use wipes or cleaners that show a color transfer to the wipe or change the appearance of the interior surface when used.

Caution: Do not use scented or gel-type hand sanitizers. If hand sanitizer comes in contact with interior surfaces of the vehicle, blot immediately and clean with a soft cloth dampened with a mild soap and water solution.

Interior Glass cleaned with a microfiber cloth fabric dampened with water?

Speaker Covers cleaned with vacuum and mild soap?

Warning: When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.

Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface.

Be ready to apply the regular brake immediately if the vehicle begins to move.

With the engine off, turn the ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort.

Shift lever moves out of P (Park)

If the shift lever moves out of P (Park), contact your dealer for service.

Sign off on the lock control function check

Warning: Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps, lenses, emblems, decals and stripes.

Warning: Lamp covers are made of plastic, and some have a UV protective coating. Do not clean or wipe them while they are dry.

Do not use any of the following on lamp covers

Caution: Failure to clean lamps properly can cause damage to the lamp cover that would not be covered by the vehicle warranty.

Caution: Using wax on low gloss black finish stripes can increase the gloss level and create a non-uniform finish. Clean low gloss stripes with soap and water only.

Lamps/Lenses, Emblems, Decals and Stripes cleaned properly?

Sign off on the cleaning procedure

Tires need the correct amount of air pressure to operate effectively.

Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in:

• Tire overloading and overheating, which could lead to a blowout

• Reduced fuel economy for internal combustion engine vehicles

• Reduced range for electric vehicles

Overinflated tires, or tires that have too much air, can result in: