Hummer H2 2006 Owner's Manual
![Hummer H2 2006 manual cover](/images/vzswnPWDBKiDQyKaobeKtGFO/thumbs/thumb175x175.webp)
To reset the TPMS on a 2006 Hummer H2, turn the ignition to the ON position without starting the engine. Press and hold the lock and unlock buttons on the key fob simultaneously until the horn sounds twice. Then, starting from the left front tire, increase or decrease the tire pressure for about 8-10 seconds until you hear a horn chirp. Repeat the process for the remaining tires in the following order: right front, right rear, and left rear. Once all tires are done, turn the ignition to OFF.
For optimal performance, use SAE 5W-30 engine oil that meets GM Standard GM6094M. It is recommended to use synthetic oil for better engine protection and performance.
To replace the headlight bulb on a 2006 Hummer H2, first open the hood and disconnect the negative battery cable. Remove the headlight assembly by unscrewing the retaining bolts. Once the assembly is out, twist the bulb socket counterclockwise and remove the old bulb. Insert the new bulb, ensuring it is seated properly, and reassemble the headlight assembly in reverse order.
To program a new key fob, insert the key into the ignition and turn it to the ON position. Turn it to OFF and remove the key. Within 20 seconds, press and hold the lock and unlock buttons on the key fob simultaneously for about 15 seconds until the door locks cycle. This indicates successful programming. Repeat the process for additional fobs.
The recommended tire pressure for a 2006 Hummer H2 is typically 35 PSI for both the front and rear tires. Always check the vehicle's manual or the label inside the driver's door for the most accurate information.
To troubleshoot the air suspension system, first check for any leaks in the air lines or the air springs. Listen for hissing sounds and use soapy water to detect leaks. Check the compressor's functionality by listening for it running. If the system is not inflating, inspect fuses and electrical connections. Consult a professional if issues persist.
It is recommended to change the transmission fluid every 50,000 miles under normal driving conditions. If the vehicle is used for towing or in severe conditions, consider changing it more frequently.
Common causes of overheating include low coolant levels, a faulty thermostat, a broken water pump, or a clogged radiator. Check coolant levels and top up if necessary. Inspect the thermostat and replace if faulty. Check for leaks in the radiator and ensure the cooling fans are working. If the problem persists, seek professional assistance.
To replace the brake pads, first lift the vehicle and remove the wheel. Remove the caliper bolts and slide the caliper off the rotor. Remove the old brake pads and install new ones, ensuring they are properly aligned. Reattach the caliper and wheel, then repeat the process for the other wheels. Ensure to pump the brakes before driving to seat the new pads.
Use a DEX-COOL antifreeze/coolant that is compatible with GM vehicles. It should be mixed with water in a 50/50 ratio unless specified otherwise in the vehicle's manual.