GMC 2007 Envoy - Manual (Page 514)

At Least Once a Month
Tire Inflation Check
Visually inspect your vehicle’s tires and make
sure they are inflated to the correct pressures.
Do not forget to check the spare tire. See
Inflation - Tire Pressure on page 447. Check to
make sure the spare tire is stored securely.
See Changing a Flat Tire on page 465.
Tire Wear Inspection
Tire rotation may be required for high mileage
highway drivers prior to the Engine Oil Life System
service notification. Check the tires for wear
and, if necessary, rotate the tires. See Tire
Inspection and Rotation on page 453.
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 you start, be sure you have enough
room around the vehicle.
2. Firmly apply both the parking brake and the
regular brake. See Parking Brake on page 126.
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 PARK (P) or
NEUTRAL (N). If the vehicle starts in any
other position, contact your GM Goodwrench
®
dealer for service.
514