GMC 15919282 Automobile User Manual


 
At Least Once a Year
Starter Switch Check
{ CAUTION
When you are doing this
inspection, the vehicle could move
suddenly. If the vehicle moves,
you or others could be injured.
1. Before starting this check, be
sure there is enough room
around the vehicle.
2. Firmly apply both the parking
brake and the regular brake.
See Parking Brake on page 2-27.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it starts.
3. Try to start the engine in each
gear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer/
retailer for service.
Automatic Transmission Shift
Lock Control System Check
{ CAUTION
When you are doing this
inspection, the vehicle could move
suddenly. If the vehicle moves,
you or others could be injured.
1. Before starting this check, be
sure there is enough room
around the vehicle. It should be
parked on a level surface.
2. Firmly apply the parking brake.
See Parking Brake on page 2-27.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.
3. With the engine off, turn the
ignition to ON/RUN, but do not
start the engine. Without applying
the regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer/retailer for service.
Ignition Transmission Lock
Check
While parked, and with the parking
brake set, try to turn the ignition
to LOCK/OFF in each shift lever
position.
The ignition should turn to
LOCK/OFF only when the shift
lever is in P (Park).
The ignition key should come out
only in LOCK/OFF.
Contact your dealer/retailer if
service is required.
6-10 Maintenance Schedule