Standard Keyless Entry System: Unlocking

1999 Chevrolet Suburban C2500, 6.5 FSECTION Unlocking
NOTE: Pickup trucks use a transmitter the does not have the REAR 2X push button on the face of the transmitter. See Fig 1 and Fig 2 .

Press the UNLOCK button on the transmitter once to unlock the driver's side door. Press the UNLOCK button on the transmitter twice within a half a second, and no later than three seconds time to unlock the remaining doors. This includes the liftgate on the utility vehicles which are equipped with this feature.

Fig 1: Identifying Transmitter Buttons
G00121359Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.