GMC Envoy 2005 Owner's Manual

To reset the 'Check Engine' light, you can disconnect the battery for a few minutes. Alternatively, use an OBD-II scanner to clear the codes. However, ensure the underlying issue is resolved to prevent the light from returning.
The 2005 GMC Envoy typically requires 5W-30 motor oil. It's recommended to check the owner’s manual for specific oil specifications and capacities.
Check the AC fuse and relay in the fuse box. Ensure the refrigerant level is adequate and inspect the AC compressor for proper operation. If issues persist, consult a professional mechanic.
The recommended tire pressure for the 2005 GMC Envoy is typically 32 PSI for both front and rear tires. Always verify with the placard located on the driver's side door jamb.
To replace the headlight bulb, open the hood and locate the back of the headlight assembly. Twist the bulb socket counterclockwise to remove it. Replace with a new bulb and secure it by twisting clockwise.
Possible causes for overheating include a malfunctioning thermostat, low coolant levels, or a faulty radiator fan. Inspect these components and ensure the cooling system is functioning properly.
It is recommended to change the transmission fluid every 30,000 to 50,000 miles. Refer to your owner’s manual for the specific maintenance schedule and fluid type.
A faulty fuel level sensor or a bad wiring connection can cause the fuel gauge to malfunction. Diagnosing the issue may require inspection of the fuel tank sending unit.
Spongy brakes can indicate air in the brake lines. Bleed the brakes to remove air and check for any fluid leaks. If the problem persists, consult a professional mechanic for further diagnosis.
Insert the original key into the ignition and turn it to the 'On' position. Within 10 seconds, insert the new key and turn it to 'On'. Wait for the security light to turn off, indicating successful programming.