Starting Your Engine; Automatic Transmission; Manual Transmission - GMC 2001 Sierra 1500 Pickup Owner's Manual

Key Release Button (Manual Transmission)
To remove the key on manual transmission vehicles,
turn the key to OFF, then press the button and turn the
key to LOCK. Do not hold the button in while turning
the key to OFF. Pull the key straight out.
Retained Accessory Power (RAP)
(If Equipped)
Your vehicle may be equipped with a Retained
Accessory Power (RAP) feature which will allow
certain features on your vehicle to continue to work up
to 20 minutes after the ignition key is turned to OFF.
2-20
The ignition key cannot be
removed from the ignition
of manual transmission
vehicles unless the key
release button is used.
Your radio, power windows and overhead console will work
when the ignition key is in RUN or ACCESSORY. Once the
key is turned from RUN to OFF, these features will continue
to work for up to 20 minutes or until a door is opened.

Starting Your Engine

Automatic Transmission

Move your shift lever to PARK (P) or NEUTRAL (N).
Your engine won't start in any other position
safety feature. To restart when you're already moving,
use NEUTRAL (N) only.
NOTICE:
Don't try to shift to PARK (P) if your vehicle is
moving. If you do, you could damage the
transmission. Shift to PARK (P) only when your
vehicle is stopped.

Manual Transmission

The gear selector should be in NEUTRAL and the parking
brake engaged. Hold the clutch pedal to the floor and start
the engine. Your vehicle won't start if the clutch pedal is
--
not all the way down that's a safety feature.
--
that's a