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First Engine Oil Change After Every
80 000 km/50,000 Miles
.Engine air cleaner filter replacement. See Engine
Air Cleaner/Filter on page 6‑27.
.Automatic transmission fluid change (severe
service) for vehicles mainly driven in heavy city
traffic in hot weather, in hilly or mountainous
terrain, when frequently towing a trailer, or used
for taxi, police, or delivery service. See Automatic
Transmission Fluid on page 6‑31.
First Engine Oil Change After Every
160 000 km/100,000 Miles
.Automatic transmission fluid change (normal
service). See Automatic Transmission Fluidon
page 6‑31.
.Spark plug replacement and spark plug wires
inspection. An Emission Control Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
.Engine cooling system drain, flush, and refill,
cooling system and cap pressure check, and
cleaning of outside of radiator and air conditioning
condenser (or every 5 years, whichever occurs
first). See Engine Coolant
on page 6‑34.An
Emission Control Service.
.ZR1 Only: Intercooler system drain, flush, and refill
(or every 5 years, whichever occurs first). See
Engine Coolant on page 6‑34.
.Engine accessory drive belt inspection for fraying,
excessive cracks, or obvious damage and
replacement, if needed. An Emission Control
Service.
7-6
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Scheduled Maintenance
ServiceMaintenanceIMaintenance II
Change engine oil and filter. Reset oil life system. ••
Engine coolant level check. ••
Windshield washer fluid level check. ••
Tire inflation pressures check. ••
Tire wear inspection. ••
Fluids visual leak check. ••
Engine air cleaner filter inspection (vehicles driven in dusty conditions only). ••
Brake system inspection. ••
Steering and suspension inspection. •
Engine cooling system inspection. •
Windshield wiper blades inspection. •
Body components lubrication. •
Restraint system components check. •
Engine air cleaner filter inspection (vehicles not driven in dusty conditions). •
Passenger compartment air filter replacement. •
7-7
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Owner Checks and Services
Starter Switch Check
{WARNING:
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 3‑34.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. For automatic transmission vehicles, 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.
For manual transmission vehicles, put the
shift lever in Neutral, push the clutch pedal
down halfway, and try to start the engine. The vehicle should start only when the clutch
pedal is pushed down all the way to the floor. If the
vehicle starts when the clutch pedal is not pushed
all the way down, contact your dealer/retailer for
service.
Automatic Transmission Shift Lock
Control System Check
{WARNING:
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 3‑34.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off and 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.
7-8
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Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
{WARNING:
When you are doing this check, the vehicle could
begin to move. You or others could be injured and
property could be damaged. Make sure there is
room in front of the vehicle in case it begins to
roll. Be ready to apply the regular brake at once
should the vehicle begin to move. Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set
the parking brake.
.To check the parking brake's holding ability: With
the engine running and the transmission in
N (Neutral), slowly remove foot pressure from the
regular brake pedal. Do this until the vehicle is held
by the parking brake only.
.To check the P (Park) mechanism's holding ability:
With the engine running, shift to P (Park). Then
release the parking brake followed by the regular
brake.
Contact your dealer/retailer if service is required.
7-9
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Maintenance Record
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance receipts.
Maintenance Record
Date Odometer
Reading Serviced By
Services Performed
7-14
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Maintenance Record (cont'd)
Date Odometer
Reading Serviced By
Services Performed
7-15
Page 438 of 472
Maintenance Record (cont'd)
Date Odometer
Reading Serviced By
Services Performed
7-16
Page 439 of 472

Section 8 Customer Assistance Information
Customer Assistance and Information. . . . . . . . . . . 8-2
Customer Satisfaction Procedure . . . . . . . . . . . . . . . 8-2
Online Owner Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
Customer Assistance for Text Telephone (TTY) Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Customer Assistance Offices . . . . . . . . . . . . . . . . . . . 8-6
GM Mobility Reimbursement Program . . . . . . . . . . . 8-7
Roadside Assistance Program . . . . . . . . . . . . . . . . . . 8-7
Scheduling Service Appointments . . . . . . . . . . . . . 8-10
Courtesy Transportation Program . . . . . . . . . . . . . . 8-10
Collision Damage Repair . . . . . . . . . . . . . . . . . . . . . . 8-12 Reporting Safety Defects
. . . . . . . . . . . . . . . . . . . . . . . . 8-15
Reporting Safety Defects to the United States Government . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15
Reporting Safety Defects to the Canadian Government . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
Reporting Safety Defects to General Motors . . . 8-16
Service Publications Ordering Information . . . . . 8-16
Vehicle Data Recording and Privacy . . . . . . . . . . . . . 8-18
Event Data Recorders . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
OnStar
®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19
Navigation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19
Radio Frequency Identification (RFID) . . . . . . . . . 8-20
Radio Frequency Statement . . . . . . . . . . . . . . . . . . . 8-20
8-1